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Security System Sensors

Shop the best prices on 4,392 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Maikaisen and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1,761 - 1,792 of 3,200
Zigbee Wired Magnetic Sensor with Lead for Door/Window Opening/Closing Detection Security Alarm Linkage Sensing Device
From $14.95
4 Pcs Tuya WiFi SOS Emergency Button Wireless One Key Call Help Home Elderly Children Security Protection A
From $59.00
2X Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $18.95
Door Exit Button LED Infrared Access Control Backlit Switch ABS Plastic NonTouch Type DC 12V
From $19.95
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
From $14.95
2X White Door Window Contacts Magnetic Reed Switch Sensor
From $6.95
Systme de scurit domestique antivol avec capteur magntique et alarme sans fil 433 MHz
From $15.95
Une paire d'interrupteurs d'alarme de scurit magntiques pour portes et fentres normalement ferms, botier mtallique
From $15.95
Wireless Door Window Sensor with Smart Motion Detection for A103 A105 A107 A108 A519W A01F A02F
From $25.95
Garage Door Magnetic Curtain Door Sensor with 5m Wired Magnetic Detector compatible for Garage Door Opener Accessories
From $54.00
SONOFF SNZB-04P Zigbee Door and Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Google Home
From $229.00
Tuya magnetic door alarm. Anti-theft device. Wi-Fi app door opening reminder. Remote alarm. Easy to use.
From $69.00
Electrical Circuit Breaker Lockout Tagout Kit Safty Padlock Loto Tags Hasps Set for Industrial Chemical
From $69.00
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC12‑18V DC12‑24V 100m/328.1ft
From $48.95
5 Pairs MC38 Wired Door Window Magnetic Sensor Contact Switch for Home Security Alarm
From $27.95
Pack of 10 wireless door and window sensors with magnetic closure compatible for home surveillance systems, pool door alarm Edition 1107
From $79.00
2Pcs Mc38 Wired Door Window Sensor 30Mm Randomly Lengthen Wire Magnetic Switch For Home Alarm System
From $13.95
Wsdcam 4 in1 Freezer Door Alarm Window Security Alarm 108 dB Loud Alarm Door Opening Sensor Adjustable Delay Refrigerator Alarm
From $74.00
2X Tuya WiFi Human Presence Sensor 24G 5V MMwave Radar with Siren Alarm Motion Detection Smart Life Home Automation DIY
From $89.00
Wifi Door Sensor Window Security Alarm Sensor Magnetic Switch Wireless Detector
From $28.95
Graffiti Zigbee Smart Temperature and Humidity Sensor Smart Home Link Wireless Temperature and Humidity Sensor
From $13.95
2026 Best WiFi Smart Door Sensor Window Wireless Compatible with Alexa, Google Home, Home Alarm Send Alert to Your Smartphone, No Hub Required
From $34.95
2026 Best Window Alarm Sensors, Door Alarms for Home Security Loud, 120DB Pool Window and Door Alarms for Kids Safety (10 Pack)
From $119.00
Tuya Zigbee Light Sensor Illumination Sensor Smart Life App Scenes Linkage Control Smart Switch Bul
From $54.00
70mm 1Pair Home Alarm Wired Rolling Door Magnetic Switch Window Metal Max Work Distance Open Control Sensor
From $54.00
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
From $10.95
Door Window Alarm, 2 Pack 130Db Vibration Alarm Sensor Door Window Security Open Alarms, Black Silver Tone
From $28.95
36V battery powered outdoor infrared sensor phototube automatic door garage door infrared beam sensor
From $42.95
Wireless phototube 12V/24V battery-powered infrared sensor detector, suitable for automatic door openers (battery not included).
From $33.95
Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From $41.95
Pack freezer door alarm, window security alarm, 3/15/30/60 seconds, 4 in 1 door sensor [MI]
From $28.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $20.95