SimpliSafe Entry Sensor (Pack of 4)
Window and Door Protection - Compatible with The SimpliSafe Home Security System - Latest Gen
$49.99
(4,476)
DEAL
QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch
White, Pack of 5 with 20 Screws
$8.97
(223)
Eve Door & Window
Apple HomeKit Smart Home Wireless Contact Sensor for Windows & Doors, Automatically Trigger Accessories & Scenes, App Notifications, Bluetooth, Thread, 3 Pack
$99.90
(644)
Sengled (E39-G8C) Light Compatible with Alexa
Google, SmartThings, HomeKit and Siri, Smart Hub Required Zigbee Switch Remote Control Bulbs ON/Off/Level Brightness, Dimmable, 1 Pack, White
$10.99
(2,529)
YoLink Outdoor Contact Sensor, LoRa 1/4 Mile World's Longest Range Smart Door Sensor, Universal Contact Sensor, Alexa, IFTTT, IP63 Waterproof for Indoor/Outdoor, App Notifications
Hub Required
$23.99
(287)
Sensor Riser Compatible with Ring
Security Sensor Spacer for Wireless Home Security System, Self Adhesive DIY Ring Alarm Spacer for Door Window Home Security System Accessories, Sensor Not Included
$9.97
(116)
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
$15.99
(56)
Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2.5mm×14mm) with 20pcs Small Multi-Use Round Magnets
$8.99
(515)
Sensor Sun Shade for Chamberlain/Craftsman Brand Garage Door Sensors
Sensor Shield, Sun Blocker, Black
$23.48
(22)
Seco-Larm SM-4201-LQ Track-Mount Overhead Door Magnetic Contact Switch
Rugged Aluminum Housing, 36" Wire Leads, For Closed Loop Circuits, 3" Gap, Weatherproof, Mounting Bracket Included
$27.33
(48)
Sensor Riser Compatible with SimpliSafe
DIY Contact Sensor Spacer for SimpliSafe Wireless Home Security Systems, Gate Window Door Motion Sensors Alarm System and Home Security Accessories
$9.97
(19)
Zwave Door Sensor Aeotec Recessed Door Sensor 7
Z-Wave Plus Enabled Smart Door Sensor Battery Powered, SmartStart S2, Zwave Hub Required SmartThings Fibaro Home Centre 3 Hubitat
$38.99
(266)
Navien 30000666A Gas Pressure Flow Sensor
$27.90
(18)
MC-38 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch Brown 10 Pair
$10.99
(1)
Nordyne 632484R Flame Sensor
$14.50
(84)
VictorsHome Magnetic Reed Switch NC NO COM Surface Mount Wired Door Window Contact Sensor with Adhesive Paper for Home Security and Burglar Alarm Systems MC-38 5pcs
$14.99
(34)
Zwave Door Sensor Window Sensor
Z-Wave Plus Enabled Aeotec 3-1 Door Window Sensor 7 Pro, Zwave Hub Required, Gen 7, White (Door/Window Sensor 7 Pro)
$44.99
(83)
Liftmaster 41C4398A RPM Sensor Assembly
$18.50
(561)
Recessed Door Contacts NC Security Alarm Window Sensors with Magnetic Reed Switch
3⁄4 Inch Door Contact Position Switches DCS Work with All Access Control and Burglar Alarm Systems White 5pcs
$9.69
(2)