Filters

Security System Sensors

Shop the best prices on 3,973 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.

Filters
2,625 - 2,656 of 3,200
5X TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection Multifunction for SmartLife App
From $45.95
2x Mounting Plate for Nest Cam Flexible Outdoor or Indoor Replacement
From $33.95
Glass Break Sensor Detector for Alarm System Wired Glass Break Sensor
From $8.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
From $25.95
Tuya Zigbee Smart Light Sensor Illuminance Brightness Detection Home Lighting Automation ZigBee Intelligent Remote Alarm
From $19.95
2026 Best Window Alarm Sensors, Door Alarms for Home Security,120 DB Pool Door Alarm for Kids Safety (8 Pack)
From $99.00
Tuya Wireless Smart Door Window Sensor Alarm Remote Control Operation Burglar Alarm For Home Door W
From $26.95
2026 Good!! 110-220V Wire Magnetic Switches for Burglar Alarm System Magnetic Switches Wire Window Door Switches Aluminum
From $89.00
2026 Good!! Entry Home Door Window Burglar Alarm with 10Pcs Safety Security Alarm System Magnetic Sensor
From $64.00
2026 Good!! Door Window Alarms, Toeeson 120DB Pool Door Alarms for Kids Safety, Window Alarms for Home
From $129.00
2026 Good!! ZigBee Wireless Door and Window Sensor, Send Alert to Your Smartphone, Compatible with Alexa/Google Home, Zigbee Bridge Required, Batterie
From $64.00
Door Window Alarm 2 Pack Home Security Sensor Burglar Anti-Theft 120DB Alarm with Batteries Included - DIY Easy to Install
From $59.00
2026 Best Door Window Alarms, Toeeson 120DB Pool Door Alarms for Kids Safety, Window Alarms for Home
From $119.00
Window Door Alarms, Personal Security for Kids Safety, Burglar Alert, Door Open Chime Pack of 4
From $69.00
Smart Magnetic Door Sensor Zigbee Door Sensor for Home Security Wireless Contact Sensor Programmable with Smart Life
From $12.95
Graffiti Zigbee Smart Temperature and Humidity Sensor Smart Home Link Wireless Temperature and Humidity Sensor
From $13.95
5X White Door Window Contacts Magnetic Reed Switch Sensor
From $12.95
2Pcs Automatic IR Beam Alarm Sensor for Door Window Burglar Security System
From $49.95
10X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App
From $129.00
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
From $15.95
Smart Door Sensor - WiFi Wireless Window Sensor Real-Time Message Notification Compatible with Alexa Google Assistant
From $24.95
2026 Good!! 2-Pack 2.4GHz Wireless Door Sensor, ABS Material White, Door Contact Detection for Window Door Open Close Status, Compatible with Smart Lo
From $54.00
2026 Best Window Door Contact Sensors Alarm Magnetic Switches for Office Home Security 110-220V Magnetic Switches for Alarm System Black
From $69.00
2Pcs Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock Detection White
From $69.00
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
2026 Good!! Window Alarm Sensors, Door Alarms for Home Security Loud, 120DB Pool Window and Door Alarms for Kids Safety (10 Pack)
From $129.00
Tuya Zigbee Light Sensor Illumination Sensor Smart Life App Scenes Linkage Control Smart Switch Bul
From $54.00
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 Good!! Window Door Alarms, Personal Security for Kids Safety, Burglar Alert, Door Open Chime Pack of 4
From $74.00
2026 Best 2-Pack 2.4GHz Wireless Door Sensor, ABS Material White, Door Contact Detection for Window Door Open Close Status, Compatible with Smart Lock
From $54.00
Wifi Door Sensor Smart Window Door Sensor Alarm,contact Sensor For Home Security Wireless Magnetic Door Open Detector
From $54.00
Door Window Normally Closed Magnetic Switch Safety Alarm Switch Metal Housing Residencial Gate Sensor
From $9.95