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Open Contact

Uses item details. Price when purchased online

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering $23.99

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering
current price $23.99

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver) $55.98

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver)
current price $55.98

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver)

3 out of 5 Stars. 2 reviews

Door Chime, Wireless Door Open Contact Sensor Alarm,Plug-in Doorbell, 1300 FT Ran, 48 Chimes, 5 Volume Levels, Alert for Business/Store/Home/Office When Ente, LED Night Light $34.99

Door Chime, Wireless Door Open Contact Sensor Alarm,Plug-in Doorbell, 1300 FT Ran, 48 Chimes, 5 Volume Levels, Alert for Business/Store/Home/Office When Ente, LED Night Light
current price $34.99

Door Chime, Wireless Door Open Contact Sensor Alarm,Plug-in Doorbell, 1300 FT Ran, 48 Chimes, 5 Volume Levels, Alert for Business/Store/Home/Office When Ente, LED Night Light

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 3 Transmitter 2 Plug-in Receiver (White) $55.99

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 3 Transmitter 2 Plug-in Receiver (White)
current price $55.99

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 3 Transmitter 2 Plug-in Receiver (White)

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 3 Transmitter + 1 Plug-in Receiver (White) $65.98

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 3 Transmitter + 1 Plug-in Receiver (White)
current price $65.98

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 3 Transmitter + 1 Plug-in Receiver (White)

Cordless Door Reminder Door Alarm Sensor, Home Security Door Open Contact Sensors, Open Alarm Indicator, Easy Installation, Ideal for Home, Garage, Apartment

Cordless Door Reminder Door Alarm Sensor, Home Security Door Open Contact Sensors, Open Alarm Indicator, Easy Installation, Ideal for Home, Garage, Apartment

Cordless Door Reminder Door Alarm Sensor, Home Security Door Open Contact Sensors, Open Alarm Indicator, Easy Installation, Ideal for Home, Garage, Apartment

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 4 Transmitters + 2 Plug-in Receivers

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 4 Transmitters + 2 Plug-in Receivers
Available in additional 4 options

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 4 Transmitters + 2 Plug-in Receivers

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Ran, 58 Chimes and 5 Volume s for Business/Store/Home/Office When Ente, 1 Transmitter + 1 Plug-in Receiver

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Ran, 58 Chimes and 5 Volume s for Business/Store/Home/Office When Ente, 1 Transmitter + 1 Plug-in Receiver

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Ran, 58 Chimes and 5 Volume s for Business/Store/Home/Office When Ente, 1 Transmitter + 1 Plug-in Receiver

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Ran, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Ente, 2 Transmitters + 1 Plug-in Receiver $34.99

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Ran, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Ente, 2 Transmitters + 1 Plug-in Receiver
current price $34.99

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Ran, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Ente, 2 Transmitters + 1 Plug-in Receiver

WiFi Door Sensor, Tuya Smart Door Window Sensor,Wireless Window Sensor Real-time Alarm Compatible with Alexa Google Assistant,Home Security Door Open Contact Sensor for Business $15.99

WiFi Door Sensor, Tuya Smart Door Window Sensor,Wireless Window Sensor Real-time Alarm Compatible with Alexa Google Assistant,Home Security Door Open Contact Sensor for Business
current price $15.99

WiFi Door Sensor, Tuya Smart Door Window Sensor,Wireless Window Sensor Real-time Alarm Compatible with Alexa Google Assistant,Home Security Door Open Contact Sensor for Business

MY Door Chime, Wireless Door Open Contact Sensor Alarm Chime with 600 FT Range 58 Chimes 5 Volume Levels LED Indicators, Door Ringer Alert for Business/Store/Home/Office When Entering

MY Door Chime, Wireless Door Open Contact Sensor Alarm Chime with 600 FT Range 58 Chimes 5 Volume Levels LED Indicators, Door Ringer Alert for Business/Store/Home/Office When Entering

MY Door Chime, Wireless Door Open Contact Sensor Alarm Chime with 600 FT Range 58 Chimes 5 Volume Levels LED Indicators, Door Ringer Alert for Business/Store/Home/Office When Entering

Wireless Door Chime, 600Ft Range 5 Adjustable Volume, Magnetic Door Open Contact Sensor with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black)$$Tools & Hardware Other $71.98

Wireless Door Chime, 600Ft Range 5 Adjustable Volume, Magnetic Door Open Contact Sensor with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black)$$Tools & Hardware Other
current price $71.98

Wireless Door Chime, 600Ft Range 5 Adjustable Volume, Magnetic Door Open Contact Sensor with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black)$$Tools & Hardware Other

Wireless Doorbell DC 12V 656 Feet Range App Remote Control Door Open Contact Sensor Alarm for Home Office Shop Commercial 6 Sensors 1 Receiver $72.99

Wireless Doorbell DC 12V 656 Feet Range App Remote Control Door Open Contact Sensor Alarm for Home Office Shop Commercial 6 Sensors 1 Receiver
current price $72.99

Wireless Doorbell DC 12V 656 Feet Range App Remote Control Door Open Contact Sensor Alarm for Home Office Shop Commercial 6 Sensors 1 Receiver

Wireless Doorbell DC 12V Door Open Contact Sensor Alarm with 656 Feet Range 58 Ringtones 5 Volume Levels for Commercial Shop Home Office $30.99

Wireless Doorbell DC 12V Door Open Contact Sensor Alarm with 656 Feet Range 58 Ringtones 5 Volume Levels for Commercial Shop Home Office
current price $30.99

Wireless Doorbell DC 12V Door Open Contact Sensor Alarm with 656 Feet Range 58 Ringtones 5 Volume Levels for Commercial Shop Home Office

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Ran, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Ente, 1 Transmitter + 1 Plug-in Receiver $37.48

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Ran, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Ente, 1 Transmitter + 1 Plug-in Receiver
current price $37.48

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Ran, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Ente, 1 Transmitter + 1 Plug-in Receiver

Clearance ToyKingdee Door Chime, Wireless Door Open Contact Sensor Alarm Chime, Door Ringer Alert for Business/Store/Home/Office When Entering From $8.99

ToyKingdee Door Chime, Wireless Door Open Contact Sensor Alarm Chime, Door Ringer Alert for Business/Store/Home/Office When Entering
Available in additional 3 options
Options
From$899

ToyKingdee Door Chime, Wireless Door Open Contact Sensor Alarm Chime, Door Ringer Alert for Business/Store/Home/Office When Entering

Best seller GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 1 Receiver and 2 Sensors From $19.90

GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 1 Receiver and 2 Sensors
1 1 receiver and 1 sensor, variant on GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 1 Receiver and 2 Sensors
1 receiver and 2 sensors, variant on GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 1 Receiver and 2 Sensors
2 receiver and 2 sensors, variant on GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 1 Receiver and 2 Sensors
Options
From$1990

GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 1 Receiver and 2 Sensors

4.2 out of 5 Stars. 42 reviews
Save with
Walmart Plus

WiFi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible with Alexa,Google Home,Siri, Smart Door Sensors for Home Business Security (1 Pack) $23.38

WiFi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible with Alexa,Google Home,Siri, Smart Door Sensors for Home Business Security (1 Pack)
current price $23.38

WiFi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible with Alexa,Google Home,Siri, Smart Door Sensors for Home Business Security (1 Pack)

12V 80A 4 Pole Normally Open Contact Relay for Motor Vehicles $13.99

12V 80A 4 Pole Normally Open Contact Relay for Motor Vehicles
current price $13.99

12V 80A 4 Pole Normally Open Contact Relay for Motor Vehicles

Wireless Door Chime, 600Ft Ran 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black) $37.82

Wireless Door Chime, 600Ft Ran 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black)
current price $37.82

Wireless Door Chime, 600Ft Ran 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black)

Cabinet Door Open Contact Switches Closet Automation Wardrobe Push Switches Wardrobe Door Contact Switches for Closets $9.98

Cabinet Door Open Contact Switches Closet Automation Wardrobe Push Switches Wardrobe Door Contact Switches for Closets
current price $9.98

Cabinet Door Open Contact Switches Closet Automation Wardrobe Push Switches Wardrobe Door Contact Switches for Closets

Door Chime, Wireless Door Open Contact Sensor Alarm Chime with 600 FT Ran 58 Chimes 5 Volume Levels LED Indicators, Door Rinr Alert for Business/Store/Home/Office When Ente $34.59

Door Chime, Wireless Door Open Contact Sensor Alarm Chime with 600 FT Ran 58 Chimes 5 Volume Levels LED Indicators, Door Rinr Alert for Business/Store/Home/Office When Ente
current price $34.59

Door Chime, Wireless Door Open Contact Sensor Alarm Chime with 600 FT Ran 58 Chimes 5 Volume Levels LED Indicators, Door Rinr Alert for Business/Store/Home/Office When Ente

Cabinet Door Open Contact Switches Closet Automation Wardrobe Push Switches Wardrobe Door Contact Switches for Closets $11.87

Cabinet Door Open Contact Switches Closet Automation Wardrobe Push Switches Wardrobe Door Contact Switches for Closets
current price $11.87

Cabinet Door Open Contact Switches Closet Automation Wardrobe Push Switches Wardrobe Door Contact Switches for Closets

MY Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver

MY Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver

MY Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver

CENL High Power 200A AMP Car Starter Automotive Relay, 12V 72V DC Terminals, Long Life Expectancy, Normal Open Contact From $19.70

CENL High Power 200A AMP Car Starter Automotive Relay, 12V 72V DC Terminals, Long Life Expectancy, Normal Open Contact
Available in additional 3 options
Options
From$1970

CENL High Power 200A AMP Car Starter Automotive Relay, 12V 72V DC Terminals, Long Life Expectancy, Normal Open Contact

12V Relay 4Pin Automotive 30Amp 30A Normally Open Contact Fused + 30A Fuse $10.60

12V Relay 4Pin Automotive 30Amp 30A Normally Open Contact Fused + 30A Fuse
current price $10.60

12V Relay 4Pin Automotive 30Amp 30A Normally Open Contact Fused + 30A Fuse

Start Relay Heavy Duty Spst 5Pin Dc 12V 72V Car Starter Automotive Relay 200A Amp Terminals And Normal Open Contact Form 48V $20.58 Was $50.42

Start Relay Heavy Duty Spst 5Pin Dc 12V 72V Car Starter Automotive Relay 200A Amp Terminals And Normal Open Contact Form 48V
current price Now $20.58, Was $50.42

Start Relay Heavy Duty Spst 5Pin Dc 12V 72V Car Starter Automotive Relay 200A Amp Terminals And Normal Open Contact Form 48V

Wireless Door Chime, 600Ft Range 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black) $27.99

Wireless Door Chime, 600Ft Range 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black)
current price $27.99

Wireless Door Chime, 600Ft Range 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black)

SPRING PARK 12V 30A Metal Fuse DC Coil Power Supply Normally Open Contact Automotive Relay Was $8.51

SPRING PARK 12V 30A Metal Fuse DC Coil Power Supply Normally Open Contact Automotive Relay

SPRING PARK 12V 30A Metal Fuse DC Coil Power Supply Normally Open Contact Automotive Relay

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver From $25.79

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver
Available in additional 2 options
Options
From$2579

Door Chime, Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver

PRSL0503PI: 1 Normally Open Contact Element $50.48

PRSL0503PI: 1 Normally Open Contact Element
current price $50.48

PRSL0503PI: 1 Normally Open Contact Element

Beisidaer 10PCS 10A 600V ZB2-BE101C(NO) Push Button Joystick Switch Normally Open Contact $8.73 Was $12.48

Beisidaer 10PCS 10A 600V ZB2-BE101C(NO) Push Button Joystick Switch Normally Open Contact
current price Now $8.73, Was $12.48

Beisidaer 10PCS 10A 600V ZB2-BE101C(NO) Push Button Joystick Switch Normally Open Contact

For Demanding Applications HY60B Switch 6-Terminals Switch Normally Open Contact $11.22

For Demanding Applications HY60B Switch 6-Terminals Switch Normally Open Contact
current price $11.22

For Demanding Applications HY60B Switch 6-Terminals Switch Normally Open Contact

Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation

Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
Available in additional 2 options
Options

Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation

STERO Wireless Door ime, 600Ft Range 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 imes Mute Mode Door Plugin Receiver for /Office/Store (Black) $37.38

STERO Wireless Door ime, 600Ft Range 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 imes Mute Mode Door Plugin Receiver for /Office/Store (Black)
current price $37.38

STERO Wireless Door ime, 600Ft Range 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 imes Mute Mode Door Plugin Receiver for /Office/Store (Black)

Smart WiFi Door & Window Contact Sensor – Real-Time Open/Close Alerts, Wireless Home Security Monitor, App & Voice Control, 24/7 Remote Status Check

Smart WiFi Door & Window Contact Sensor – Real-Time Open/Close Alerts, Wireless Home Security Monitor, App & Voice Control, 24/7 Remote Status Check

Smart WiFi Door & Window Contact Sensor – Real-Time Open/Close Alerts, Wireless Home Security Monitor, App & Voice Control, 24/7 Remote Status Check

Heavy Duty 4PIN Automotive Relay 30AMP Fuse Metal Backrest Normally Open Contacts Removable Bracket Reliable at 12V

Heavy Duty 4PIN Automotive Relay 30AMP Fuse Metal Backrest Normally Open Contacts Removable Bracket Reliable at 12V

Heavy Duty 4PIN Automotive Relay 30AMP Fuse Metal Backrest Normally Open Contacts Removable Bracket Reliable at 12V

axGear Smart WiFi Door Sensor Window Contacts Open and Close Detector $10.99

axGear Smart WiFi Door Sensor Window Contacts Open and Close Detector
current price $10.99

axGear Smart WiFi Door Sensor Window Contacts Open and Close Detector

3 out of 5 Stars. 2 reviews
Save with
Walmart Plus

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $11.59

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
current price $11.59

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks

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