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Security System Sensors

Shop the best prices on 11,234 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,633 - 1,664 of 3,200
Ewelink ZigBee Smart Sensors for Windows, Doors, and Motion Detection in UK Homes
$42.95 Save $10.00 RRP: $52.95
Tuya ZigBee Smart Temperature and Humidity Sensor, Battery-Powered for Smart Home Use
$43.95 Save $10.05 RRP: $54.00
Itead SONOFF DW2 WiFi Smart Door Window Sensor Door Open/Closed Detectors
$169.00 Save $90.00 RRP: $259.00
WIFI Door Sensors Alarms Contact Wireless Door Window Magnet Entry Detector Sensor for Home Security APP tuya2pcs
$99.00 Save $20.00 RRP: $119.00
Door Window Sensor Detector Home Security Magnetic Sensor Door Window Anti-theft Alarm Surface Mount Strong Concealments Multicolor
$32.95
Door Window Sensor Quick Response Data Storage Voice Operation Red LED Door Alarm
$29.95 Save $11.00 RRP: $40.95
PM Particulate Matter Sensor S8A2-18641 0281007478 for Air Quality Monitoring
$149.00 Save $80.00 RRP: $229.00
Security Window Door Alarm DIY Home Protection Burglar Alert Sensor
$8.95 Save $2.00 RRP: $10.95
Magnetic Contact Wired Sensor Detector - Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
$27.95 Save $16.00 RRP: $43.95
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security Garage Warehouse Security Magnetic Switch Alarm Door Sensor A
$27.95 Save $16.00 RRP: $43.95
Mini Door Window Alarm Home Security 433Mhz Wireless Magnetic Sensor Anti-Theft Alarm Sound Easy Installation for Home Garage Apartment Door Alarm Se
$31.95 Save $27.05 RRP: $59.00
Turbidity Sensor Suspended Turbidity Value Detection Module Kit For
$22.95 Save $11.00 RRP: $33.95
Magnetic Contact Switch, Contact for Window Magnetic Switch for Wired Sensor Detector for Security Alarms in the Home Garage
$27.95 Save $16.00 RRP: $43.95
Wired NC Type Magnetic Alarm Door Window Contact Sensor Detector Reed Switch
$14.95 Save $12.00 RRP: $26.95
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
$18.95 Save $13.00 RRP: $31.95
Glass Break Detector, Window Alarm With 125db Alarm, Glass Vibration Sensor Alarm For Your Home, Office (2 Pieces)
$26.95 Save $16.00 RRP: $42.95
2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$50.95
2 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
$46.95
Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automat
$30.95 Save $19.00 RRP: $49.95
PB-67R Intelligent Wireless Door Window Sensor with Emergency Button
$13.95
WiFi Smart Door Window Sensor with APP, 90x50x25mm, 3V Battery
$27.95 Save $7.00 RRP: $34.95
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Security Alarm With Music Melody
$31.95 Save $42.05 RRP: $74.00
2024,4vwin Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type).
$54.00 Save $55.00 RRP: $109.00
Tuya Zigbee Smart Light and Rain Sensor 2-In-1 Function, Light and Rainwater Detection Smart Life App
$43.95 Save $40.05 RRP: $84.00
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door
$27.95 Save $36.05 RRP: $64.00
2X Light Sensor T1 Brightness Sensor Smart Home Lighting Change Controlled for Home
$20.95 Save $17.00 RRP: $37.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Acc
$28.95 Save $30.05 RRP: $59.00
TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection Multifunction for Smart Echo
$19.95 Save $24.00 RRP: $43.95
Human Presence Sensor,Tuya Zigbee Millimeter Radar Wave Presence Detection Sensor,Requires TUYA HUB
$229.00 Save $180.00 RRP: $409.00
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door(1PCS)
$34.95 Save $54.05 RRP: $89.00
Tuya ZigBee Light Sensor Smart Home Illumination Sensor APP
$44.95 Save $74.05 RRP: $119.00
Best Professional GPS Tracker Detector - GPS Finder with High Accuracy
$109.00 Save $150.00 RRP: $259.00