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Shop the best prices on 6,498 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Other, Woosien and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 6,498
DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
$16.95
Fake TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security and Sensor,EU Plug
$23.95 Save $7.00 RRP: $30.95
M5STACK RFID 2 Unit Mini RFID Reader Sensor WS1850S Radio Frequency for Smart portation
$14.95 Save $69.05 RRP: $84.00
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
$22.95 Save $26.05 RRP: $49.00
Advanced Anti-Wild Boar Alarm with Theft Deterrent Technology
$26.95 Save $32.05 RRP: $59.00
JWL-Wireless Door Window Burglar Sensor Alarm 4 Modes Door Open Detectors Freezers Close Reminder Security Protection Alert
$59.00 Save $25.00 RRP: $84.00
Wireless Sensor Dolphinbar(Wiimote to PC USB )Connect
$64.00
Alarm Magnetic Contact for Roller Shutter Garage Door Sensor NF
$32.95 Save $31.05 RRP: $64.00
Wireless Sensor Dolphinbar(Wiimote to PC USB )Connect
$64.00 Save $5.00 RRP: $69.00
1~5PCS New Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device
$13.95
Small PM2.5 Sensors for Continuous Air Quality Monitoring in Public Space and Workplaces DIY Air Quality Project
$84.00
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
$30.95
12x Alarm System Switch Window White
$29.95 Save $6.00 RRP: $35.95
Door Handle Alarm, Door and Window Alarm Touch Sensor Alarm Door/Window Sensor, 120dB Touch Sensor Door Handle Alarm Anti-theft
$19.95
Doberman Se-0701 Oval Household Anti-theft Door And Window Magnetic Spring Sensor Super Loud Simple Alarm unbrand
$14.95 Save $8.00 RRP: $22.95
PA-461 Wired Passive Infrared Curtain PIR Motion Detector Sensor Alarm(White)
$12.95
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
$11.95 Save $1.00 RRP: $12.95
Wireless Window Door Sensor, Magnetic Contact Switch EU Plug
$19.95 Save $5.00 RRP: $24.95
10W Magnetic Reed Switch Zinc Alloy Responsive NC Door Window Contact Sensor for Garage Warehouse Shop 100V
$44.95 Save $24.05 RRP: $69.00
Dvb-t Professional Tv Antenna Finder Digital Aerial Signal Meter Pointer Tv Satellite Receiver
$35.95 Save $18.05 RRP: $54.00
Security Tag Detacher / Magnetic Remover Clothing Hard Tag Remove
$54.00
37 In 1 Sensors Module Kit Support For DIY Enthusiasts Temperature Module unbrand
$33.95
Window Alarm 125dB Loud Anti-Theft Alarm for Door Window Glass Break Vibration Sensor Alerts with Adjustable Sensitivity
$27.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (6 Sets)
$24.95
High quality Tuya WiFi Smart Door and Window Sensor Alarm Sensor Support Alexa
$37.95 Save $21.05 RRP: $59.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC Magnetic Switch Easy to Install
$33.95 Save $125.05 RRP: $159.00
SNZB-04P ZigBee Wireless Door and Window Sensor, Door Opening Detector, Wireless Home Alarm, Compatible with Alexa/Google Home, SONOFF Zigbee Hub Requ
$46.95 Save $27.05 RRP: $74.00
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
$40.95 Save $28.05 RRP: $69.00
Tuya Smart ZigBee WiFi Door Sensor Wireless Magnetic Door Window Open Closed Det
$19.95
1~5PCS New Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device
$8.95
Mini Stainless Steel Float Switch Tank Liquid Water Level Sensor Double Ball Float Switch Tank Pool Flow Sensors
$32.95
1Pack Smart Door Sensor WiFi, Wireless Door Window Detector Alarm, Smart Linkage Window Door Contac
$15.95