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Security System Sensors

Shop the best prices on 5,380 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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1,025 - 1,056 of 3,200
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems
From $59.00
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $22.95
Tuya Wifi Door Window Sensor Smart Anti-Theft Alarm Real-Time Alerts App Control Smart Home Security
From $25.95
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced B [MI]
From $23.95
Tuya ZigBee Smart Vibration Sensor Door Window Detection Alarm
From $14.95
2X Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home Security
From $16.95
3X Tuya ZigBee Devices Button Scene Switch Intelligent Linkage Smart Switch Battery Powered Work with Smart Life
From $25.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(2PCS)
From $29.95
Temperature and Humidity Sensor Graffiti ZigBee Intelligent Sensor E-Ink Screen Detection App Remote Control Sensor
From $49.95
Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Elderly Kids for Safety Smart Life Remote
From $28.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
From $41.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
From $33.95
5 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch For Home Alarm System,When Sensor Together,Normally Closed Nc
From $16.95
2X Light Sensor DC 5V 12V USB Wire Day Auto-on Light Sensor Cable for Home Security and Lighting
From $12.95
Tuya Zigbee Door Window Sensors Wireless Smart Life Magnetic Door Sensor APP Remote Control
From $11.95
5X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
From $9.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Xiaomi Mijia Mi Home HomeKit
From $13.95
Door sensor, detects open and closed doors or windows, door monitoring, sends alarms for indoor use only
From $18.95
2026 Best 110-220V Wire Magnetic Switches for Burglar Alarm System Magnetic Switches Wire Window Door Switches Aluminum
From $74.00
2026 Best ZigBee Wireless Door and Window Sensor, Alert Your Smartphone, Compatible with Alexa/Google Home, SONOFF Zigbee Bridge Required, Batteries I
From $64.00
Window Alarm Sensors, Door Alarms for Home Security,120 DB Pool Door Alarm for Kids Safety (8 Pack)
From $99.00
Home, Door, and RV Security Window Alarm Set with 130dB Vibration Sensor, 6 Black Units
From $74.00
For Garage Door Safety Systems 12V/24V AC DC Infrared Photocell Sensor
From $31.95
Smart Wifi Door Magnetic Detector Wifi Door And Window Sensor Door Magnetic Switch Alarm Anti-theft
From $14.95
Sensor Bar Compatible With Wii, Replacement Wired Infrared Ray Sensor Bar
From $15.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2 TTLOCK App
From $35.95
3X Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered with Tuya Smart Life App Alexa(C)
From $36.95
3 Phase Din Rail Voltmeter Ammeter with over/Under Voltage Current Limit Protection Self-Resetting Surge Protector 63A
From $44.95
Din Rail ATS Dual Power Automatic Transfer Switch 80A Miniature Dual Power Switch Mains Power to Mains Power
From $59.00
WiFi Smart Zigbee Temperature and Humidity Sensor LCD Screen History Record Smart Home Security Remote Control
From $18.95
Tuya ZigBee Devices Button Scene Switch Intelligent Linkage Smart Switch Battery Powered Automation Work with Smart Life
From $12.95
Palm Vein TTLOCK APP WIFI Facial IP67 Access Control Time Attendance 3D Face Recognition 13.56MHZ RFID +Fingerprint
From $169.00