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Security System Sensors

Shop the best prices on 11,311 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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1,665 - 1,696 of 3,200
Temperature Humidity Sensor Intelligent Linkage Wireless for TUYA ZigBee Audio Control for Google Home
$20.95 Save $12.00 RRP: $32.95
2 Sets Magnetic Reed Switch NO NC Wired Surface Mounted Magnetic Contact Switch for Door Window
$16.95 Save $10.00 RRP: $26.95
Smart WiFi Door Window Open/Closed Sensor Detectors Voice Control for Google Home for Tuya
$19.95 Save $12.00 RRP: $31.95
Door Window Alarm Sensor 125dB Sound DIY Protection Alarm System for Home Dormitories Office Hotel
$16.95 Save $10.00 RRP: $26.95
2 Sets Magnetic Reed Switch DC12 to 24V NC Wired Door Window Sensor for Home Security Anti Theft Alarm System
$24.95 Save $14.00 RRP: $38.95
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 60m/196.9ft
$54.00 Save $30.00 RRP: $84.00
Door Magnetic Contact Wireless Sensor Detector Switch for Home Garage Security Alarm System, Battery-Powered, Easy Installation
$30.95 Save $16.00 RRP: $46.95
(New) PB-68R Intelligent Wireless Door Window Sensor
$20.95
(New) MC-03 130dB Multi-function Door and Window Anti-theft Alarm with 5 Modes
$23.95
(New) 10 PCS Embedded NC Model Door Magnetic Sensor Switch
$31.95
(New) DOBERMAN SE-0119 Household Anti-theft Wireless Remote Control Door Magnetic Sensor Alarm
$54.00
(New) DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
$25.95
(New) Tuya WiFi Sound And Light Door Magnetic Doors Windows Alarm Scene Linkage APP Reminder Sound And Light Door Magnetic Sensor
$45.95
(New) DOBERMAN SE-0106 Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
$31.95
(New) PB-67R Intelligent Wireless Door Window Sensor with Emergency Button
$20.95
(New) N911S Home Door Window Induction Alarm Household Door Magnetic Wireless Anti-Theft Alarm
$26.95
(New) Door Window Magnetic Sensor Anti-entry Security Alarm
$27.95
(New) NEO NAS-DS07W WiFi Door Sensor & Window Sensor
$42.95
(New) PB-69W WIFI Smart Wireless Magnetic Door and Window Sensor
$32.95
[New] T8 Anti-eavesdropping Anti-candid Camera Infrared Detector
$51.95
[New] 4 in 1 Door Magnet Refrigerator Delayed Door Closing Bell Anti-theft Alarm (3V)
$29.95
[New] MC-03 130dB Multi-function Door and Window Anti-theft Alarm with 5 Modes
$24.95
[New] C100 125dB Vibration Sensor Alarm Door and Window Alarm Home Personal Anti-theft Alarm(White)
$32.95
[New] NEO NAS-TH02B Zigbee Temperature and humidity Sensor
$50.95
[New] NEO NAS-DS05B Zigbee Door Sensor & Window Sensor
$39.95
Smart Home Sensor Cable for Temperature and Humidity Monitoring with RM4 Pro Compatibility
$26.95 Save $22.00 RRP: $48.95
ZigBee Smart Temperature and Humidity Sensor For Tuya Alexa Google Home
$22.95 Save $22.00 RRP: $44.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-theft Anti-intrusion Magnetic Sensor For Home And Ki
$31.95 Save $16.00 RRP: $47.95
WiFi smart door magnetic alarm field alarm sensor
$36.95 Save $27.05 RRP: $64.00
Personal Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 4
$23.95 Save $95.05 RRP: $119.00
Smart Home Zigbee Door Sensor Window Security Alarm Work Wit mqtt SmartThings Hub
$27.95 Save $6.00 RRP: $33.95
Tuya Zigbee Door And Window Sensor Smart Home Automation Security Protection Smartlife App Alarm Re
$6.95