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Shop the best prices on 9,806 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 - 32 of 9,806
Animal deterrent alarm for wild boar and theft prevention
$32.95 Save $41.05 RRP: $74.00
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$16.95 Save $9.00 RRP: $25.95
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Securi
$10.95 Save $6.00 RRP: $16.95
E3F-20C1 3mm Laser Beam Photoelectric Switch Trough-beam Infrared Sensors NPN Switchs with LED
$25.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included unbrand
$16.95
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems Black
$18.95 Save $10.00 RRP: $28.95
1/4 inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window hwy
$27.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
$13.95 Save $39.00 RRP: $52.95
1/4 Inch Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Incl
$26.95 Save $21.00 RRP: $47.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
$45.95 Save $18.05 RRP: $64.00
4in Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type).
$28.95 Save $25.05 RRP: $54.00
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alarm
$74.00 Save $40.00 RRP: $114.00
2025 Upgraded Camera Detector Professional Bug RF Detector Hidden Camera Finder
$129.00 Save $70.00 RRP: $199.00
New Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
$10.95 Save $7.00 RRP: $17.95
Pool alarm for kids safety with wireless door sensor and remote
$54.00 Save $55.00 RRP: $109.00
Plush Horse Riding Stick for Kids with Soft Plush Head, Sturdy Wooden Pole Toy for Balance Development and Active Play
$37.95 Save $36.05 RRP: $74.00
5-Level Sensitivity Adjustment Window Glass Break Vibration+Magnetic Door Sensor, Requires Alarm Ho
$37.95 Save $3.00 RRP: $40.95
Magnetic Clothing Hard Tag Remove Security Detacher
$32.95 Save $51.05 RRP: $84.00
2 Sets Magnetic Door Switch Wired NC NO Normally Open Closed Door Contact Switch for Home Security 1
$21.95 Save $7.00 RRP: $28.95
Smart Door Window Sensor 2.4G WiFi Magnetic Open Close Detector Home Burglar Alarm for TUYA
$13.95 Save $13.00 RRP: $26.95
Infrared Sensor Doorbell Sensitive Wireless Store Entry Doorbell Alarm with 1 Receiver US Plug 110 to 240V
$48.95 Save $50.05 RRP: $99.00
Car Coming And Leaving Home Auto S Module Sensor Kit For Aveo
$79.00 Save $20.00 RRP: $99.00
For Tuya Wifi Pir Mot Sensor Wireless Infd Detector Burglar Alarm Sensor
$52.95 Save $16.05 RRP: $69.00
E27 Led Screw Bulb H Led Pir Infd Mot Sensor Lamp With S Socket Identif
$41.95 Save $12.05 RRP: $54.00
Door Alarm Sensor White High Decibel Wireless Security Door Window Alarm Sensor Burglar Alarm
$14.95
Intellint Mites Removal And , Wireless Portable Ultravi Sensor
$149.00
LJC18A3 B z BX Capacitive Proximity Sensor Switch DC12~24V 10mm-10% NPN
$20.95 Save $25.00 RRP: $45.95
Zigbee Smart Vibration Sensor,Real Time Monitoring,Door Window Vibration Detection Siren for Home,App Remote Control
$15.95 Save $48.05 RRP: $64.00
Zigbee Window Door Open Alarm Real Time Remote Control Magnetic Door Sensor Wireless
$31.95 Save $7.00 RRP: $38.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$14.95 Save $69.05 RRP: $84.00
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$32.95 Save $36.05 RRP: $69.00
Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer YEMAA
$29.95 Save $59.05 RRP: $89.00