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Security System Sensors

Shop the best prices on 12,093 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 3,200
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$26.95 Save $8.00 RRP: $34.95
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Securi
$14.95 Save $10.00 RRP: $24.95
E3F-20C1 3mm Laser Beam Photoelectric Switch Trough-beam Infrared Sensors NPN Switchs with LED
$35.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$23.95 Save $13.00 RRP: $36.95
2025 Upgraded Camera Detector Professional Bug RF Detector Hidden Camera Finder
$259.00 Save $180.00 RRP: $439.00
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Monitor Burglar Anti Theft Alarm Home Security
$42.95 Save $21.05 RRP: $64.00
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
$74.00 Save $185.00 RRP: $259.00
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
$24.95 Save $11.00 RRP: $35.95
The M8000 is a hidden camera detector, eavesdropping device detector, and
$329.00 Save $110.00 RRP: $439.00
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
$37.95
4in Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type).
$40.95 Save $38.05 RRP: $79.00
1/4 Inch Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Incl
$38.95 Save $30.05 RRP: $69.00
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor ducer Smart Life Home
$15.95 Save $2.00 RRP: $17.95
Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance
$46.95 Save $12.05 RRP: $59.00
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems Black
$26.95 Save $14.00 RRP: $40.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magne
$21.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included unbrand
$22.95
DC 12V 5A Power Adapter Power Supply Brick Switching Transformer for LED Light Strip 100240V
$36.95 Save $11.00 RRP: $47.95
Pool alarm for kids safety with wireless door sensor and remote
$79.00 Save $80.00 RRP: $159.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
$69.00 Save $35.00 RRP: $104.00
New Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
$14.95 Save $10.00 RRP: $24.95
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems
$52.95 Save $26.05 RRP: $79.00
W100 Smart WiFi Bridge Gateway and Door Sensor Set for WeHere Smart Lockboxes, APP Control for Home Office Security
$109.00 Save $50.00 RRP: $159.00
Wireless Door Stop Alarm Stainless Steel Sensitivity Level Sensor Wedge-shaped Portable Home Travel Security Betterlifefg
$43.95
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector
$59.00 Save $20.00 RRP: $79.00
Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
$149.00 Save $80.00 RRP: $229.00
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
$24.95 Save $29.05 RRP: $54.00
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
$24.95 Save $21.00 RRP: $45.95
Abo-20 Infrared Sensor Barrier Detector, Anti-theft Alarm System
$64.00 Save $55.00 RRP: $119.00
Magnetic Security Tag Remover for Clothing - Detacher Tool for Retail Stores & Shops
$129.00
2 Pack White Burglar Alarm Door Window Sensor Wired Anti-theft Contact Detectors Waterproof Professional Quality For Kids Children Safety Diy Protecti
$23.95 Save $125.05 RRP: $149.00
2pcs Security 100db Wireless Door&Window Alarm Vibration Sensor Home
$74.00 Save $135.00 RRP: $209.00