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Security System Sensors

Shop the best prices on 14,472 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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833 - 864 of 3,200
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
From $94.00
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm
From $14.95
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type) Ydcy
From $25.95
Tuya WiFiZigBee Smart Door Window Sensor Smart Home Wireless Door Detector
From $12.95
Door Position Sensor SPDT Recessed Magnetic Switch 3/4 Inch for Steel and Wood Doors Brown Set
From $30.95
LD2416 Radar Module Smart Home Stationary Detection Module 24G Human Presence Sensing APP
From $21.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
From $27.95
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Install White
From $16.95
Zigbee Temperature and Humidity Sensor Mini Temperature Humidity Detector with for App Control
From $14.95
Tuya Intelligent Pressure Sensor for ZigBee Gravity Detection Automation Scene Linkage 400mm
From $48.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $15.95
Split Type Door and Window Sensor Door Magnet Sensor 60 Songs Protection Security Anti-Theft Volume Reminder EU White
From $24.95
3Pcs Tuya WiFi SOS Button One Key Emergency Wireless Security Alarm Panic Device for Elderly Kids Home Smart Life Remote
From $64.00
WiFi Door Sensor, Smart Door Window Sensor,for Alexa Google Assistant,Home Security Door Open,for Business Burglar
From $23.95
Gebildet 6pcs Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch Magnet Near - Connect Circuit Magnet Away - Break Circuit
From $59.00
Din Rail ATS Dual Power Automatic Transfer Switch 80A Miniature Dual Power Switch Mains Power to Mains Power
From $219.00
Magnetic Sensor,Magnetic Switch Sensor Window Door Security Alarm Detector Wired Large Magnetic Gap for Home Garage
From $14.95
Infrared Barrier，Digital Pulse Infrared Sensor 100m Active Detection Invisible IR Beam Barrier Waterproof Alarm（1 pcs）
From $41.95
Digital Thermometer With Wifi Connectivity And Freezer Alert For Home Monitoring
From $119.00
E3JK-R4M1 ABS Housing Specular Reflection Type Photoelectric Switch Sensor(90-250VAC 3500mm)
From $42.95
10 Sets Recessed Wired Security Window Door Sensor DC100V 10W Magnetic Door Sensor for Access Contro
From $64.00
BERM Proximity Switch 3‑Wire Cylindrical Detection Sensor Controller PRL18-5DP 10-30VDC
From $29.95
SONOFF SNZB-02D 2.5 inch LCD Smart Sensor Real-Time Monitoring Linkage
From $74.00
Bluetooth Multifunction Gateway Smart Home Door and Window Sensor Socket Control Center
From $74.00
PIR+Light Sensor+Temperature/Humidity+USB Human Presence Sensor Zigbee Low-Power Temperature/Humidity Light Sensor
From $44.95
TY-192 Tuya Smart Home WiFi Temperature And Humidity Sensor
From $59.00
Freezer Door Alarm Wireless, 4-in-1 Magnetic Sensor Security Alarm for Windows, Fridge, Cabinets - 108dB Loud Door Open Alarm with Timer
From $37.95
Compactly Air Quality Monitoring Device Gas Sensors Module For Home And Office Detects CO2 TVOC With Low Power Design
From $46.95
4X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App
From $104.00
Light Sensor T1 Brightness Sensor Smart Lighting Change Controlled
From $43.95
Home Security Magnetic Sensor Door Window Sensor Detector Door Window Antitheft Alarm Surface-Mount Strong Concealments
From $29.95
Wired Pir Motion Detector Sensor With Pet Immunity, 12v Compatible For Alarm Dirtypigs
From $47.95