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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 $25.90

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 $25.90

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

5 out of 5 Stars. 1 reviews

Door Chime, Door Open Contact Sensor Alarm with 500 FT Ran,26 Chimes 5 Adjustable Volume for Business/Store/Home/Office When Entering 2 Receivers +1 Sensors $48.94

Door Chime, Door Open Contact Sensor Alarm with 500 FT Ran,26 Chimes 5 Adjustable Volume for Business/Store/Home/Office When Entering 2 Receivers +1 Sensors
current price $48.94

Door Chime, Door Open Contact Sensor Alarm with 500 FT Ran,26 Chimes 5 Adjustable Volume for Business/Store/Home/Office When Entering 2 Receivers +1 Sensors

Door Chime with Phone App,WiFi Door Open Contact Sensor Chime with 600 FT Range,WiFi Door Ringer Alert for Business/Store//Office When Enter (Three Sensor Gateway)

Door Chime with Phone App,WiFi Door Open Contact Sensor  Chime with 600 FT Range,WiFi Door Ringer Alert for Business/Store//Office When Enter (Three Sensor  Gateway)

Door Chime with Phone App,WiFi Door Open Contact Sensor Chime with 600 FT Range,WiFi Door Ringer Alert for Business/Store//Office When Enter (Three Sensor Gateway)

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) $79.92

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 $79.92

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)

2Packs/Set WiFi Door Sensor Detector Smart, Wireless Window Sensor Real-time Alarm Compatible, Home Security Door Open Contact Sensor for Bussiness Burglar Alert From $13.99

2Packs/Set WiFi Door Sensor Detector Smart, Wireless Window Sensor Real-time Alarm Compatible, Home Security Door Open Contact Sensor for Bussiness Burglar Alert
Available in additional 2 options
From$1399

2Packs/Set WiFi Door Sensor Detector Smart, Wireless Window Sensor Real-time Alarm Compatible, Home Security Door Open Contact Sensor for Bussiness Burglar Alert

3 out of 5 Stars. 2 reviews

Door Chime with Phone App,WiFi Door Open Contact Sensor Alarm Chime with 600 FT Range,WiFi Door Ringer Alert for Business/Store/Home/Office When Enter (Three Sensor One Gateway) $84.98

Door Chime with Phone App,WiFi Door Open Contact Sensor Alarm Chime with 600 FT Range,WiFi Door Ringer Alert for Business/Store/Home/Office When Enter (Three Sensor One Gateway)
current price $84.98

Door Chime with Phone App,WiFi Door Open Contact Sensor Alarm Chime with 600 FT Range,WiFi Door Ringer Alert for Business/Store/Home/Office When Enter (Three Sensor One Gateway)

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) $59.90

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 $59.90

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)

3.7 out of 5 Stars. 3 reviews

Reduced price 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 $16.99

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 $16.99

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

4 Pack 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 $74.77

4 Pack 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
current price $74.77

4 Pack 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

Door Chime, Door Open Contact Sensor Alarm for Business/Store/Home/Office When Entering, with 500 FT Ran,26 Chimes 5 Adjustable Volume 2 Receivers +2 Sensors $55.06

Door Chime, Door Open Contact Sensor Alarm for Business/Store/Home/Office When Entering, with 500 FT Ran,26 Chimes 5 Adjustable Volume 2 Receivers +2 Sensors
current price $55.06

Door Chime, Door Open Contact Sensor Alarm for Business/Store/Home/Office When Entering, with 500 FT Ran,26 Chimes 5 Adjustable Volume 2 Receivers +2 Sensors

Flash Deal Door Chime, GreenCycle Magnetic Sensor Wireless Door Chime Bell, Wireless Door Open Contact Sensor Alarm Chime with 600FT Range 48 Chimes 5 Volume Levels Night Light Function IP66 Waterproof From $17.91

Door Chime, GreenCycle Magnetic Sensor Wireless Door Chime Bell, Wireless Door Open Contact Sensor Alarm Chime with 600FT Range 48 Chimes 5 Volume Levels Night Light Function IP66 Waterproof
(Orange) 1 receiver 1 sensor, variant on Door Chime, GreenCycle Magnetic Sensor Wireless Door Chime Bell, Wireless Door Open Contact Sensor Alarm Chime with 600FT Range 48 Chimes 5 Volume Levels Night Light Function IP66 Waterproof
1 receiver 1 sensor, variant on Door Chime, GreenCycle Magnetic Sensor Wireless Door Chime Bell, Wireless Door Open Contact Sensor Alarm Chime with 600FT Range 48 Chimes 5 Volume Levels Night Light Function IP66 Waterproof
1 receiver 2 sensor, variant on Door Chime, GreenCycle Magnetic Sensor Wireless Door Chime Bell, Wireless Door Open Contact Sensor Alarm Chime with 600FT Range 48 Chimes 5 Volume Levels Night Light Function IP66 Waterproof
1 receiver 3 sensor, variant on Door Chime, GreenCycle Magnetic Sensor Wireless Door Chime Bell, Wireless Door Open Contact Sensor Alarm Chime with 600FT Range 48 Chimes 5 Volume Levels Night Light Function IP66 Waterproof
From$1791

Door Chime, GreenCycle Magnetic Sensor Wireless Door Chime Bell, Wireless Door Open Contact Sensor Alarm Chime with 600FT Range 48 Chimes 5 Volume Levels Night Light Function IP66 Waterproof

4.3 out of 5 Stars. 51 reviews
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YAHHU Black 4-Pin DC 12V 30A Car Normally Open Contacts Fused Relay On/Off With Bracket $9.02

YAHHU Black 4-Pin DC 12V 30A Car Normally Open Contacts Fused Relay On/Off With Bracket
current price $9.02

YAHHU Black 4-Pin DC 12V 30A Car Normally Open Contacts Fused Relay On/Off With Bracket

yotijay 2X 12V 80A 4-pol. Automotive Relay Normally Open Contact Relay 50x28x28mm Black $14.99

yotijay 2X 12V 80A 4-pol. Automotive Relay Normally Open Contact Relay 50x28x28mm Black
current price $14.99

yotijay 2X 12V 80A 4-pol. Automotive Relay Normally Open Contact Relay 50x28x28mm Black

12V Relay 4Pin Automotive 30Amp 30A Normally Open Contact Fused + 30A Fuse $7.60 Was $21.94

12V Relay 4Pin Automotive 30Amp 30A Normally Open Contact Fused + 30A Fuse
current price Now $7.60, Was $21.94

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

Professional Normally Open Contact Switches 4 Pack Aluminum Component for Industrial Equipment and Home Electronics

Professional Normally Open Contact Switches 4 Pack Aluminum Component for Industrial Equipment and Home Electronics

Professional Normally Open Contact Switches 4 Pack Aluminum Component for Industrial Equipment and Home Electronics

Homena For Equipment Setup Air Compressor Switch Normally Open Contact Operating Voltage 36 Volts Rated Current 30 Amps $12.54

Homena For Equipment Setup Air Compressor Switch Normally Open Contact Operating Voltage 36 Volts Rated Current 30 Amps
current price $12.54

Homena For Equipment Setup Air Compressor Switch Normally Open Contact Operating Voltage 36 Volts Rated Current 30 Amps

yotijay 3 Pieces Car High Current DC 24V 30A Normally Open Contact 4PIN SPST Relays $14.99

yotijay 3 Pieces Car High Current DC 24V 30A Normally Open Contact 4PIN SPST Relays
current price $14.99

yotijay 3 Pieces Car High Current DC 24V 30A Normally Open Contact 4PIN SPST Relays

YAHHU 3 Pin Adjustable Car LED Flasher Relay DC12V 10A Turn Signal Fix Normally Open Contact $9.58

YAHHU 3 Pin Adjustable Car LED Flasher Relay DC12V 10A Turn Signal Fix Normally Open Contact
current price $9.58

YAHHU 3 Pin Adjustable Car LED Flasher Relay DC12V 10A Turn Signal Fix Normally Open Contact

12V 80A 4 Pole Normally Open Contact Relay for Motor Vehicles $11.99

12V 80A 4 Pole Normally Open Contact Relay for Motor Vehicles
current price $11.99

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

Beisidaer 10PCS 10A 600V ZB2-BE101C(NO) Push Button Joystick Switch Normally Open Contact $12.73

Beisidaer 10PCS 10A 600V ZB2-BE101C(NO) Push Button Joystick Switch Normally Open Contact
current price $12.73

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

Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation From $10.82

Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
Available in additional 2 options
From$1082

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

PRSL0503PI: 1 Normally Open Contact Element $50.48

PRSL0503PI: 1 Normally Open Contact Element
current price $50.48

PRSL0503PI: 1 Normally Open Contact Element

Air Tank Pressure Controller 90120PSI 14 NPT Pressure Switch with Normally Open Contact and Unidirectional Circuit for Air Ride Suspension Systems $13.34

Air Tank Pressure Controller 90120PSI 14 NPT Pressure Switch with Normally Open Contact and Unidirectional Circuit for Air Ride Suspension Systems
current price $13.34

Air Tank Pressure Controller 90120PSI 14 NPT Pressure Switch with Normally Open Contact and Unidirectional Circuit for Air Ride Suspension Systems

Dualoai 3 Pieces Car High Current DC 24V 30A Normally Open Contact 4PIN SPST Relays $13.16

Dualoai 3 Pieces Car High Current DC 24V 30A Normally Open Contact 4PIN SPST Relays
current price $13.16

Dualoai 3 Pieces Car High Current DC 24V 30A Normally Open Contact 4PIN SPST Relays

XD4PA22 Electric Joystick Controller Master Switch Spring Return Mechanism, 1 Normally Open Contact Type $68.88

XD4PA22 Electric Joystick Controller Master Switch Spring Return Mechanism, 1 Normally Open Contact Type
current price $68.88

XD4PA22 Electric Joystick Controller Master Switch Spring Return Mechanism, 1 Normally Open Contact Type

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

10PCS 10A 600V ZB2-BE101C(NO) Push Button Joystick Switch Normally Open Contact $12.16

10PCS 10A 600V ZB2-BE101C(NO) Push Button Joystick Switch Normally Open Contact
current price $12.16

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

WiFi Door Window Sensor: Smart Contact Sensor with App Alerts, Door Open Detector Compatible with Alexa Google Assistant, Entry Detector Sensor for Home Security and Home Automation (4-Pack)

WiFi Door Window Sensor: Smart Contact Sensor with App Alerts, Door Open Detector Compatible with Alexa Google Assistant, Entry Detector Sensor for Home Security and Home Automation (4-Pack)

WiFi Door Window Sensor: Smart Contact Sensor with App Alerts, Door Open Detector Compatible with Alexa Google Assistant, Entry Detector Sensor for Home Security and Home Automation (4-Pack)

Mosiee for Workshop Use Paddle Power Switch On/Off Control Normally Open Contact $47.49

Mosiee for Workshop Use Paddle Power Switch On/Off Control Normally Open Contact
current price $47.49

Mosiee for Workshop Use Paddle Power Switch On/Off Control Normally Open Contact

Heavy Duty 4PIN Automotive Relay 30AMP Fuse Metal Backrest Normally Open Contacts Removable Bracket Reliable at 12V $11.13

Heavy Duty 4PIN Automotive Relay 30AMP Fuse Metal Backrest Normally Open Contacts Removable Bracket Reliable at 12V
current price $11.13

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

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $14.72

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
current price $14.72

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

WiFi Door Window Sensor: Smart Contact Sensor with App Alerts, Door Open Detector Compatible with Alexa Google Assistant, Entry Detector Sensor for Home Security and Home Automation (4-Pack)

WiFi Door Window Sensor: Smart Contact Sensor with App Alerts, Door Open Detector Compatible with Alexa Google Assistant, Entry Detector Sensor for Home Security and Home Automation (4-Pack)

WiFi Door Window Sensor: Smart Contact Sensor with App Alerts, Door Open Detector Compatible with Alexa Google Assistant, Entry Detector Sensor for Home Security and Home Automation (4-Pack)

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $12.58

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
current price $12.58

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

1 out of 5 Stars. 1 reviews

Blakeslee 97276 Contact Block-Normally Open, 9" Height, 6" Width, 5" Length $21.74

Blakeslee 97276 Contact Block-Normally Open, 9" Height, 6" Width, 5" Length
current price $21.74

Blakeslee 97276 Contact Block-Normally Open, 9" Height, 6" Width, 5" Length

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

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

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

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