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Security System Sensors

Shop the best prices on 11,315 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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1,761 - 1,792 of 3,200
Smart Door Window Sensor Smart Home Door Detectors Door and Window Burglar Alarms Door Open Alarm
$3.95 Save $1.00 RRP: $4.95
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door
$36.95 Save $16.00 RRP: $52.95
Wireless Door and Window Alarm with Infrared Motion Sensor, Waterproof, Adjustable Sensitivity for Home Security
$27.95 Save $14.00 RRP: $41.95
Wireless Door Window Sensor WiFi Smart Door Intrusion Detector Home Security Alarm Works with Amazon alexa assistant or Rokid
$25.95 Save $7.00 RRP: $32.95
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
$33.95 Save $11.00 RRP: $44.95
Tuya ZigBee Vibration Sensor Smart Home Vibrator Door Window Break Burglar Detector Smart Life APP
$18.95 Save $45.05 RRP: $64.00
Tuya Zigbee Vibration Sensor for Motion and Shock Detection - UK Home Security Alarm Monitor
$43.95 Save $20.05 RRP: $64.00
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
$25.95 Save $53.05 RRP: $79.00
This Wireless Fridge Alarm is a 4-in-1 Door Sensor Chime with an Adjustable Delay, also a Freezer Door Alarm
$33.95 Save $35.05 RRP: $69.00
Wired Magnetic Door Window Contact Sensor Switch for Home Garage Security Alarm System Detector
$12.95 Save $7.00 RRP: $19.95
1-8PCS Tuya ZigBee Smart Temperature Humidity Sensor for Alexa Google Smart Life
$29.95 Save $24.05 RRP: $54.00
Inductive Proximity Sensor PNP DC 3 Wires Mormally Open Mini Inductive Proximity Sensor Switch DC6 to 36V
$12.95 Save $21.00 RRP: $33.95
Door & Window Sensor Smart Door Magnetic Detector Sensor Wireless Alarm Work With Amazon Alexa Google Home,433mhz GreenZech
$40.95 Save $78.05 RRP: $119.00
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
2pcs Security 100db Wireless Door&Window Alarm Vibration Sensor Home
$52.95 Save $96.05 RRP: $149.00
3 Phase 220-380v Voltage Relay 63A Changeover Switch Overvoltage/Undervoltage/ Overcurrent/Phase Loss Protection Keep
$41.95 Save $11.00 RRP: $52.95
3X ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren Alarm Sensor
$54.00
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
$14.95 Save $4.00 RRP: $18.95
Tuya WiFi Vibration Sensor 130dB Sound Light Alarm Smart APP Real-Time Vibration Reminder Home Security Shock Detector
$16.95 Save $11.00 RRP: $27.95
Photocell Infrared Sensor Detector for Automatic Gate Obstacle Detector Anti-Theft Alarm System
$14.95 Save $9.00 RRP: $23.95
Trip Wire on Reusable Reel (2 Pack) - Early Warning Perimeter Defense for All Devices 85FT Line on Easy Wind Reel
$9.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Accessory
$9.95 Save $6.00 RRP: $15.95
6X Two Beams 2 Beams Infrared Detector Alarm ABT-100 Perimeter Alarm Anti-Glare Up to 50000LUX
$269.00
Tuya Intelligent Pressure Sensor for ZigBee Gravity Detection Automation Scene Linkage 800mm
$32.95
For EWelink Zigbee Wireless Scene Button for 2MQTT, Alexa, and Alice Wireless Push Button
$13.95
Tuya WiFi SOS Panic Button Smart Life APP Notifications One Key Alert Wall Sticky /Neck Strap Design for Elderly & Kids
$38.95
Tuya Zigbee Temperature Humidity Sensor Smart Life Remote Monitor for Smart Home Workwith Tuya Zigbee Hub
$23.95
Door Window Sensor Compatible With Rf Bridge For Smart Home Alarm Security,433mhz GreenZech
$22.95 Save $46.05 RRP: $69.00
Wifi Door & Window Alarm Sensor For Smart Home Security System GreenZech
$38.95 Save $70.05 RRP: $109.00
Wi-fi Wireless Door/window Sensor No Gateway Required Support To Check History Record On App GreenZech
$31.95 Save $62.05 RRP: $94.00
Home Wireless Door Magnetic Sensor Iron Contact Door And Window Anti-theft Sensor GreenZech
$21.95 Save $42.05 RRP: $64.00
Smart WiFi Door and Window Alarm Sensor with Open/Close Detection Function, Remote Anti-Theft Alarm
$20.95 Save $6.00 RRP: $26.95