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Security System Sensors

Shop the best prices on 10,675 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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33 - 64 of 3,200
2pcs Garage Door Bracket compatible with Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
From $42.95
For IP54 Automatic gate wireless battery powered infrared safety beam photocell sensor with presence function-JXLGV
From $119.00
1/4 inch Magnet Riser,5 Pack Mount to Any Doorway, Window-JXLGV
From $48.95
TY-192 Tuya Smart Home WiFi Temperature And Humidity Sensor
From $54.00
TY-192 Tuya Smart Home WiFi Temperature And Humidity Sensor
From $59.00
TY-192 Tuya Smart Home WiFi Temperature And Humidity Sensor
From $69.00
TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection Multifunction for Smart Echo Hub SmartLife App
From $25.95
Wireless vibration detectors for doors, windows, and home security doors; drawer and wardrobe security detectors. compatible
From $46.95
Door sensor kit 35 melodies retail store wireless door and window detectors 4 volume levels garage alarm
From $59.00
Magnetic Door Window Security Switches, NC NO Contact, Plastic, 10pcs, for Home Commercial Industrial Alarm Systems
From $43.95
WiFi Smart Door Sensor 2-Piece Set Alexa Compatible Wireless Door and Window Alarm
From $69.00
White Wired Security Door and Window Sensor Alarm with Magnetic Switch (10 Sets)
From $29.95
TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security Timer and Sensor,EU Pl
From $37.95
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open
From $30.95
Door Window Alarm for Home, Multifunctional Wireless Security System with Magnetic Sensor, 130 dB Loud Burglar Alarm
From $20.95
Smart Door Sensor Smart Home Door Open/Closed Detector
From $119.00
Wired Magnetic Sensor - Window Door Alarm Security Detector - Wide Gap
From $17.95
4X Camping Perimeter Alarm 125DB Loud Tripwire Motion Sensor Multiple Modes Easy Setup Security_yzac
From $219.00
5-Pack Black Magnetic Door and Window Alarm Sensors with Reed Switch for Recessed Installation
From $27.95
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector For Home Security 2025 2025
From $64.00
2025 Sensor Infrared Detection Photoelectric Sensing Switch Distance Security Alarm Parts DC5‑24V
From $54.00
5X TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection Multifunction for SmartLife App
From $84.00
5X TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection Multifunction for SmartLife App
From $84.00
5X TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection Multifunction for SmartLife App
From $84.00
Wireless Door Alarm for Home Security - 10 Pack Magnetic Sensor
From $40.95
Infrared Beam Sensor 30m 6 Beam Outdoor IR Barrier for Perimeter Security Alarm Yard Protection
From $459.00
Smart Door Window Sensor Smart Home Door Detectors Door and Window Burglar Alarms Door Open Alarm
From $15.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alarm
From $69.00
2026 Suitable Non-Contact Sensor Switch Door Release Switch, Door Exit Button for Access Control System
From $3.95
Wifi Wireless Security Sound And Light Alarm Alarm
From $119.00
Smart home remote real-time monitoring WiFi temperature and humidity detector infrared universal remote control compatible
From $149.00
Smart Door Sensor - WiFi Wireless Window Sensor Real-Time Message Notification Compatible with Alexa Google Assistant
From $38.95