FaucetsSafety Equipment and GearAir ToolsAlarm SystemsAll Home SecurityAll Renewable EnergyBathroom PlumbingBreakers, Distributors, and Load CentersCar Emergency SuppliesDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorbellsElectrical ToolsElectronic Communication ComponentsEmergency SuppliesFire SafetyFlashlightsFurniture HardwareGarage Door Openers and HardwareGuttering & DrainageHome SafetyKitchen HardwareLight BulbsMailboxes and Mailbox AccessoriesMechanics ToolsPadlocksPersonal PreparednessPersonal SafetySafes & LockboxesSafety DetectorsSolar AccessoriesSolar Charge ControllerSolderingStorm & Flood PrepSurveillanceTestersThermostatsValves & Valve RepairWater Heaters, Pumps & TanksWildfire Prep
Sort by|
FaucetsSafety Equipment and GearAir ToolsAlarm SystemsAll Home SecurityAll Renewable EnergyBathroom PlumbingBreakers, Distributors, and Load CentersCar Emergency SuppliesDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorbellsElectrical ToolsElectronic Communication ComponentsEmergency SuppliesFire SafetyFlashlightsFurniture HardwareGarage Door Openers and HardwareGuttering & DrainageHome SafetyKitchen HardwareLight BulbsMailboxes and Mailbox AccessoriesMechanics ToolsPadlocksPersonal PreparednessPersonal SafetySafes & LockboxesSafety DetectorsSolar AccessoriesSolar Charge ControllerSolderingStorm & Flood PrepSurveillanceTestersThermostatsValves & Valve RepairWater Heaters, Pumps & TanksWildfire Prep
Alarm Switch(366)
Uses item details. Price when purchased online
TOPGREENER Motion Sensor Switch with Ambient Light Level, Occupancy & Vacancy Modes, No Neutral Required, Ground Wire Required, 150W LED/CFL, Single Pole, TDOS5-JM-W-2PCS, White, 2 Pack From $19.99

Sponsored
From$1999
TOPGREENER Motion Sensor Switch with Ambient Light Level, Occupancy & Vacancy Modes, No Neutral Required, Ground Wire Required, 150W LED/CFL, Single Pole, TDOS5-JM-W-2PCS, White, 2 Pack
43 out of 5 Stars. 4 reviews
Save with
Briidea LD-078 110dB, Switch Household Sensors & Alarms $66.49 Was $74.99

Sponsored
Now$6649
current price Now $66.49, Was $74.99$74.99
Briidea LD-078 110dB, Switch Household Sensors & Alarms
24 out of 5 Stars. 2 reviews
Save with
Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm, Large LED Indicator, AC Power Light & Test Button, 10ft Level Float Switch, Ideal for Septic Sump Pump From $75.99 Was $84.99

Sponsored
From$7599
$84.99
Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm, Large LED Indicator, AC Power Light & Test Button, 10ft Level Float Switch, Ideal for Septic Sump Pump
15 out of 5 Stars. 1 reviews
Save with
Akicon Humidity Sensor Switch for Bathroom Exhaust Fan, Ventilation fan, LED Light, Night Light, Air Moisture Control, Timer Switch for Bathroom Fan, UL Listed, White $43.99
Sponsored
$4399
current price $43.99Akicon Humidity Sensor Switch for Bathroom Exhaust Fan, Ventilation fan, LED Light, Night Light, Air Moisture Control, Timer Switch for Bathroom Fan, UL Listed, White
15 out of 5 Stars. 1 reviews
Save with
Emergency Alarm Station with Key Conventional Dual Action Manual Call Point Pull Fire Alarm Panic Button SOS Switch for Alarm Siren or Panel $17.99

$1799
current price $17.99Emergency Alarm Station with Key Conventional Dual Action Manual Call Point Pull Fire Alarm Panic Button SOS Switch for Alarm Siren or Panel
GAXIRE Manual Fire Alarm Reset Switch with Emergency Call Button, White, Vehicle Safety Accessory $7.33

$733
current price $7.33GAXIRE Manual Fire Alarm Reset Switch with Emergency Call Button, White, Vehicle Safety Accessory
6X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $9.54

$954
current price $9.546X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
15 out of 5 Stars. 1 reviews
4X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $7.39

$739
current price $7.394X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
Alarm Controls TS-14R Push Button $320.39

$32039
current price $320.39Alarm Controls TS-14R Push Button
10/Pk White 3/8" Recessed Wired Door Window Sensor Alarm Switch Contact Terminal $29.95

$2995
current price $29.9510/Pk White 3/8" Recessed Wired Door Window Sensor Alarm Switch Contact Terminal
15 out of 5 Stars. 1 reviews
YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required) From $35.59

Sponsored
From$3559
YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required)
114.8 out of 5 Stars. 11 reviews
Hi-Lo Sump Pump Switch, Ortis Electronic Adjustable Float Switch Controller with Stainless Steel Anti-Corrosion Dual Sensors, for Sewage Pits, Fish Tanks, Water Tanks, 220/110 VAC, Black $59.99

Sponsored
$5999
current price $59.99Hi-Lo Sump Pump Switch, Ortis Electronic Adjustable Float Switch Controller with Stainless Steel Anti-Corrosion Dual Sensors, for Sewage Pits, Fish Tanks, Water Tanks, 220/110 VAC, Black
15 out of 5 Stars. 1 reviews
Alarm Controls Flat Key Switch $66.83

$6683
current price $66.83Alarm Controls Flat Key Switch
HomeZone Wi-Fi Smart Keypad Controlled Window or Door Alarm with Magnetic Switch, Compatible with Alexa and Google Assistant, White, 4 oz $14.97

$1497
current price $14.97HomeZone Wi-Fi Smart Keypad Controlled Window or Door Alarm with Magnetic Switch, Compatible with Alexa and Google Assistant, White, 4 oz
563.5 out of 5 Stars. 56 reviews
Save with
10X Magnetic Sensor Home Door Window Entry Warning Alarm Switch,10 x Magnetic Door Sensor (2 parts ), 40 x Screw Nail,White $13.49

$1349
current price $13.4910X Magnetic Sensor Home Door Window Entry Warning Alarm Switch,10 x Magnetic Door Sensor (2 parts ), 40 x Screw Nail,White
White 3/8" Plunger Contact Door Window Alarm Switch Adjustable (20 Pack) $58.95

$5895
current price $58.95White 3/8" Plunger Contact Door Window Alarm Switch Adjustable (20 Pack)
Alarm Controls Push Button,5 in. H,w/Pneumatic Switch TS-14 $278.87 Was $296.41

Now$27887
current price Now $278.87, Was $296.41$296.41
Alarm Controls Push Button,5 in. H,w/Pneumatic Switch TS-14
2pcs MC-31 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White $8.59

$859
current price $8.592pcs MC-31 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White
ALARM CONTROLS TS-14 Push Button,5 in. H,w/Pneumatic Switch $288.59

$28859
current price $288.59ALARM CONTROLS TS-14 Push Button,5 in. H,w/Pneumatic Switch
3pcs MC-31 Surface Mount Wired NO+NC Door Sensor Alarm Magnetic Reed Switch $18.36

$1836
current price $18.363pcs MC-31 Surface Mount Wired NO+NC Door Sensor Alarm Magnetic Reed Switch
Reduced price N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs $18.71 Was $20.79

Sponsored
Now$1871
current price Now $18.71, Was $20.79$20.79
N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs
Save with
Fosmon WaveLink Wireless Doorbell Chime, Home Security System Alarm When Door Opens, Magnetic Door Alarm And Sensor For Store, Restaurant, Business, Kids, Elderly & More, 1 Sensor 1 Receiver $19.99

Sponsored
$1999
current price $19.99Fosmon WaveLink Wireless Doorbell Chime, Home Security System Alarm When Door Opens, Magnetic Door Alarm And Sensor For Store, Restaurant, Business, Kids, Elderly & More, 1 Sensor 1 Receiver
464.2 out of 5 Stars. 46 reviews
Save with
Security Alarm Door Window Sensor Switch $9.09

$909
current price $9.09Security Alarm Door Window Sensor Switch
Alarm Controls Push Button,5 in. H,w/SPDT Switch TS-2T $140.44

$14044
current price $140.44Alarm Controls Push Button,5 in. H,w/SPDT Switch TS-2T
4pcs RC-33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White $17.29

$1729
current price $17.294pcs RC-33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White
NATEFEMIN Break Glass Alarm Button Fire Switch Emergency Door Release Exit System Security 24-220VDC $18.69

$1869
current price $18.69NATEFEMIN Break Glass Alarm Button Fire Switch Emergency Door Release Exit System Security 24-220VDC
WRISTBIQUE Emergency Fire Reset Switch with Alarm Call Button for Immediate Response in Cars and Buildings $7.33

$733
current price $7.33WRISTBIQUE Emergency Fire Reset Switch with Alarm Call Button for Immediate Response in Cars and Buildings
Clearance WHAMVOX Resettable Manual Call Point Emergency Alarm Switch Button For Safety Reliable Easy To Use For Traditional Systems $10.14 Was $11.39

Now$1014
current price Now $10.14, Was $11.39$11.39
WHAMVOX Resettable Manual Call Point Emergency Alarm Switch Button For Safety Reliable Easy To Use For Traditional Systems
Alarm Controls PBL-1 Push Button $171.33

$17133
current price $171.33Alarm Controls PBL-1 Push Button
ETHZZLE Emergency Fire Reset Switch with Alarm Call Button for Immediate Response in Cars and Buildings $14.62

$1462
current price $14.62ETHZZLE Emergency Fire Reset Switch with Alarm Call Button for Immediate Response in Cars and Buildings
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) $56.90

Sponsored
$5690
current price $56.90VEVOR 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)
23 out of 5 Stars. 2 reviews
Eve Door & Window (Matter) 3 pack – Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread $109.95

Sponsored
$10995
current price $109.95Eve Door & Window (Matter) 3 pack – Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread
Alarm Controls TS-7 Push Button $100.46

$10046
current price $100.46Alarm Controls TS-7 Push Button
20X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $19.71

$1971
current price $19.7120X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
32.3 out of 5 Stars. 3 reviews
5X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $8.39

$839
current price $8.395X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
Alarm Controls TS-9T Push Button $154.69

$15469
current price $154.69Alarm Controls TS-9T Push Button
For Tuya Intelligent Security SOS Button Elderly Children Alarm Help Switch With Rechargeable Battery Smart Home Security $11.72

$1172
current price $11.72For Tuya Intelligent Security SOS Button Elderly Children Alarm Help Switch With Rechargeable Battery Smart Home Security
AURARMLET White Manual Fire Alarm Reset Switch for Cars, Quick Emergency Call Button, and Design $7.34

$734
current price $7.34AURARMLET White Manual Fire Alarm Reset Switch for Cars, Quick Emergency Call Button, and Design
2X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $6.26

$626
current price $6.262X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
2PCS Smart PIR Sensor Detector Switch 110V 220V Human Body Infrared Motion Sensor Indction Auto on Off Light Switches $7.52

$752
current price $7.522PCS Smart PIR Sensor Detector Switch 110V 220V Human Body Infrared Motion Sensor Indction Auto on Off Light Switches
2pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown $9.49

$949
current price $9.492pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown
10 pk White 3/8" Recessed Wired Security Alarm Door Window Switch Contact Magnet $27.95

$2795
current price $27.9510 pk White 3/8" Recessed Wired Security Alarm Door Window Switch Contact Magnet
Alarm Controls Push Button,5 in. H,w/Face Plate TS-2 $73.75

$7375
current price $73.75Alarm Controls Push Button,5 in. H,w/Face Plate TS-2
Alarm Magnetic Garage Door Rolling Door Contact Switch Sensor, Home Store Security Contact Magnetic Reed Switch Alarm $17.61

$1761
current price $17.61Alarm Magnetic Garage Door Rolling Door Contact Switch Sensor, Home Store Security Contact Magnetic Reed Switch Alarm
Unique Bargains2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security $11.22

$1122
current price $11.22Unique Bargains2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security
2X Magnetic Sensor Home Door Window Entry Warning Alarm Switch,2 x Magnetic Door Sensor (2 parts) 8 x Screw Nail,White $6.79

$679
current price $6.792X Magnetic Sensor Home Door Window Entry Warning Alarm Switch,2 x Magnetic Door Sensor (2 parts) 8 x Screw Nail,White
Alarm Controls TS-60 Push Button $236.59 Was $271.94

Now$23659
current price Now $236.59, Was $271.94$271.94
Alarm Controls TS-60 Push Button
Alarm Controls - TS-2 - Alarm Controls TS-2 Push Button $56.61

$5661
current price $56.61Alarm Controls - TS-2 - Alarm Controls TS-2 Push Button
10 pk Recessed White Door Window Security Alarm Switch Reed Contact Magnet 3/8" $19.95

$1995
current price $19.9510 pk Recessed White Door Window Security Alarm Switch Reed Contact Magnet 3/8"
Magnetic Sensor Home Door Window Entry Warning Alarm Switch $6.12

$612
current price $6.12Magnetic Sensor Home Door Window Entry Warning Alarm Switch
Popular in Alarm Switch
Related Products
Tuya Door Window Sensor Control Door Sensor Contact Sensor Magnetic Sensor Works Alexa ,Easy Install
Tuya Door Window Sensor Control Door Sensor Contact Sensor Magnetic Sensor Works Alexa ,Easy Install$33.60current price $33.60Wsdcam Glass Break Sensor Alarm 125dB Wireless Detector Vibration for Window Door Security - 4 Pack
Wsdcam Glass Break Sensor Alarm 125dB Wireless Detector Vibration for Window Door Security - 4 Pack$22.97current price $22.97Door/Window Sensor with External Contact Input
Door/Window Sensor with External Contact Input$31.99current price $31.99Honeywell Home 6290W 7" Color Graphic Touchscreen Keypad
Honeywell Home 6290W 7" Color Graphic Touchscreen Keypad$266.79current price $266.79Honeywell Home 5800Mini Wireless Door/ Window Contact
Honeywell Home 5800Mini Wireless Door/ Window Contact$25.61current price $25.61Yale AC-DC Sync Smart Home Alarm Accessory Door/Window Sensor App Control, for Securing Main Access Points, White
Yale AC-DC Sync Smart Home Alarm Accessory Door/Window Sensor App Control, for Securing Main Access Points, White$50.16current price $50.16Honeywell 5820L - Door and window sensor - wireless - 345 MHz
Honeywell 5820L - Door and window sensor - wireless - 345 MHz$56.91current price $56.91TONAIN 90 dB, White Magnetic Household Sensors & Alarms
TONAIN 90 dB, White Magnetic Household Sensors & Alarms$4.09current price $4.09Honeywell Home 5834-4 4-Button Wireless Key Fob
Honeywell Home 5834-4 4-Button Wireless Key Fob$24.98current price $24.98Eaton Proximity Sensor,Inductive,30mm,NC E57-30LE22-A1
Eaton Proximity Sensor,Inductive,30mm,NC E57-30LE22-A1$323.53current price $323.53Honeywell WAVE2 Siren, Dual Tone, Wall Mount, Warning Alarm
Honeywell WAVE2 Siren, Dual Tone, Wall Mount, Warning Alarm$22.85current price $22.85Wireless Smart Door Sensor Ev1527 Encoding Format For Wireless GSM Home Security Alarm System Window Magnet Entry Sensor ,Easy Install
Wireless Smart Door Sensor Ev1527 Encoding Format For Wireless GSM Home Security Alarm System Window Magnet Entry Sensor ,Easy Install$63.36current price $63.36Honeywell Home 6160 32-Character Alpha Display Keypad for VISTA Systems
Honeywell Home 6160 32-Character Alpha Display Keypad for VISTA Systems$89.95current price $89.95Linear DXS Supervised Glass Break Detector Transmitter (SSA00015/DXS-91)
Linear DXS Supervised Glass Break Detector Transmitter (SSA00015/DXS-91)$137.55current price $137.55Briidea LD-078 110dB, Switch Household Sensors & Alarms
Briidea LD-078 110dB, Switch Household Sensors & Alarms$66.49current price $66.49
