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Security System Sensors

Shop the best prices on 10,253 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Woosien and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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321 - 352 of 3,200
suitable for 24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm-YI WU CHUN HUI
$64.00 Save $75.00 RRP: $139.00
Wireless Door Alarm With Remote Windows Open Alarmshome Security Sensor Pool Alarm For Kids Safety Sliding (2 Pack)
$79.00 Save $80.00 RRP: $159.00
Small Strong 12V Security Siren 150dB Alarm Plastic Wire Security Siren for Burglar Detection & Emergency Alerts
$109.00
Hy929 Standalone Pipe Water Leakage Detector Hear Through Wall High Strength Water Pipe Leakage Detector For Repair
$209.00
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Yvan
$84.00 Save $35.00 RRP: $119.00
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Yvan
$84.00 Save $35.00 RRP: $119.00
Bed Wetting Wireless Alarm Urine Sensor Rechargeable Pee Wet Alarm With Receiver
$74.00 Save $30.00 RRP: $104.00
Security Tag Detacher Magnetic Remover Clothing Hard Tag Remove
$59.00
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
$74.00 Save $75.00 RRP: $149.00
Wireless Door Alarm With Remote Windows Open Alarmshome Security Sensor Pool Alarm For Kids Safety Sliding (2 Pack)
$74.00 Save $75.00 RRP: $149.00
Smart Home Door & Window Sensor App Remote Control Alarm Detector GreenZech
$69.00 Save $130.00 RRP: $199.00
100Pcs/lot Anti-theft Hard Tag Eas Tag For Store Supermarket Sound Magnetic 58khz Clothing Anti-theft Tags
$239.00
Door And Window Sensors, Wifi Door Alarm Remote Control, Sends Alerts, Entry Burglar, Triggers Siren, Magnetic Door Alarm1set, White)
$64.00 Save $40.00 RRP: $104.00
E3Z-R61 NPN Photoelectric Beam Sensor with Mounting Bracket
$18.95 Save $32.00 RRP: $50.95
Motion Sensor Vibration Sensor Tilt Sensor Vibration Alarm For Tuya For Zigbee Smart Vibration Sensor Tilt Sensor unbrand
$33.95 Save $4.00 RRP: $37.95
Window and Door Anti-Theft Alarm Sensors for Export
$54.00 Save $55.00 RRP: $109.00
26-27 Wireless Door Window Sensor for Smart Home Security, Entry Detector with Alarm, Magnetic Contact Switch for Doors and Windows
$32.95 Save $36.05 RRP: $69.00
Sonoff DW2-WiFi Wireless Security Window Door Sensor Home Sercurity Alarm Work With eWeLink APP Support Sonoff Devices IFTTT 25-26
$179.00 Save $180.00 RRP: $359.00
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db 2025
$32.95 Save $36.05 RRP: $69.00
Sonoff DW2-WiFi Wireless Security Window Door Sensor Home Sercurity Alarm Work With eWeLink APP Support Sonoff Devices IFTTT 25-26
$179.00 Save $180.00 RRP: $359.00
26-27 Wireless Fridge Alarm - 4-in-1 Door Sensor Chime - Adjustable Delay - Freezer Door Alarm
$19.95 Save $20.00 RRP: $39.95
Sonoff DW2-WiFi Wireless Security Window Door Sensor Home Sercurity Alarm Work With eWeLink APP Support Sonoff Devices IFTTT 25-26
$179.00 Save $180.00 RRP: $359.00
2026 12V IR Photocell Waterproof Sensor for Gate Door Automatic Barrier
$24.95 Save $24.00 RRP: $48.95
SONOFF DW2 WIFI Door Window Sensor Open/Closed Detector Smart Home Sec 25-26
$35.95 Save $38.05 RRP: $74.00
Freezer Door Alarm When Left Open,Fridge Door Alarm with Delay Upgrade 3/15/30/60 Seconds Security, Adjustable Delay Wireless Fridge Alarm Door Open C
$64.00 Save $65.00 RRP: $129.00
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer 26-27s
$48.95 Save $50.05 RRP: $99.00
2pc Window Door Alarm,110dB Wireless Anti-theft Magnetic Sensor
$27.95
2 Pack Window Door Alarm, 110dB Wireless Anti-theft Magnetic Sensor for Apartment Garage Safes DIY Installation
$24.95
10 Sets Magnetic Reed Switch DC100V NC Recessed Wired Door Window Contact Sensor Switch for Alarm Sy
$32.95
Surface Mount Wired Nc Door Contact Sensor Alarm For Door Window Cabinets 10pcs
$19.95 Save $13.00 RRP: $32.95
Wifi Door Window Sensor App Smart Home Security Protection Door Open Closed Detector For Alexa Yandex
$19.95
Tuya WiFi/ZigBee Door Sensor Smart Life Home Security System Wireless Contact APP Remote Alarm With Alexa Google Home
$23.95 Save $5.00 RRP: $28.95