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Security System Sensors

Shop the best prices on 11,016 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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1,281 - 1,312 of 3,200
433MHz Wireless Vibration Alarm Sensor Door Window Detector for Home Security Burglar System
$13.95 Save $16.00 RRP: $29.95
Fusion Splicer 3-in-1 Holder Fast 6 Motor Splicing Machine 5200mAh
$1,299.00 Save $550.00 RRP: $1,849.00
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
$45.95 Save $48.05 RRP: $94.00
Refrigerator and Freezer Alarm for Door Left Open, Reminders at 60 Seconds or More by YuJia
$28.95 Save $45.05 RRP: $74.00
Remote-Control LED Car Sign with Gesture Sensor for Safety and Fun Easy Battery-Powered Installation Back Window Accessory
$24.95 Save $44.05 RRP: $69.00
ZUAN Professional Anti-Wild Boar Alarm & Theft Deterrent Device
$27.95 Save $26.05 RRP: $54.00
Mini Clothes Hooks for Perforated Doors, Windows, and Walls
$10.95 Save $26.00 RRP: $36.95
4pcs Car Tpms Tire Pressure Monitor Warning System Sensor A0009054100 For - E-class W212 W204 X253 C205
$47.95
Home Wired Door Sensor Door Window Entry Warning Switch Dustproof Waterproof
$17.95
T01 Wireless Signal Scanner Infrared Scanning Tool Hidden Camera Detector for Home Travel Hotel
$40.95 Save $53.05 RRP: $94.00
Smart Wifi Temperature and Humidity Sensor for Home Iot Device
$15.95 Save $73.05 RRP: $89.00
Window Alarm, 4pcs 130DB Loud Vibrating Door and Window Sensors with LED Indicator, Home Office Security Alarm
$36.95 Save $37.05 RRP: $74.00
Door and Window Alarm, 120dB Anti-Theft Vibration Sensor, Touch Sensor for Home Security
$41.95 Save $42.05 RRP: $84.00
Reed Contact, 6 Pieces Door Contact Switch, Wired Door Window Sensor, Magnetic Reed Switch, Suitable for Security Alarms for Doors, Windows and Drawer
$42.95 Save $46.05 RRP: $89.00
Reed Contact, 6 Pieces Door Contact Switch, Wired Door Window Sensor, Magnetic Reed Switch, Suitable for Security Alarms for Doors, Windows and Drawer
$43.95 Save $50.05 RRP: $94.00
Zigbee Temperature Humidity Air Pressure Sensor for Smart Home Automation
$33.95 Save $7.00 RRP: $40.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System 25-26s
$79.00 Save $80.00 RRP: $159.00
2 Pack Door Window Alarm Magnetic Sensor for Home Security, Office, Store, Kids Safety, Battery Powered
$21.95 Save $10.00 RRP: $31.95
2 Sets Magnetic Reed Switch NO NC Wired Surface Mounted Magnetic Contact Switch for Door Window
$119.00 Save $120.00 RRP: $239.00
Wireless Digital Freezer Alarm For Freezer And Refrigerator, Home Use And Outdoor, 1/2 Sensor
$54.00 Save $30.00 RRP: $84.00
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
$40.95 Save $63.05 RRP: $104.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install 0926 Edition 0118
$13.95 Save $32.00 RRP: $45.95
Doorbell Wireless Home Security Door Window Entry Burglar Alarm Signal Safety Switch Magnetic Sensor Guardian Protector
$10.95 Save $5.00 RRP: $15.95
Tuya Smart Door Window Alarm Sensor Door Magnetic Password Disarm
$21.95
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor
$15.95
433MHz Wireless Door Window Magnetic Sensor Alarm White
$11.95 Save $6.00 RRP: $17.95
Hide Camera Detectors Signal and WiFi Scanners Portable Trackers Detector Anti Candid Detector Multicolor
$129.00
Pack Of 2 E14 Lamp 85-265v 2w Led Light Bulb For Refrigerator - Power Equivalent To A 15 Watt Lamp, Cool White - 6500k
$18.95 Save $9.00 RRP: $27.95
TTP229 16 Channel Digital Capacitive Switch Touch Sensor Module
$12.95 Save $35.00 RRP: $47.95
WSDCGQ11LM White Temp & Humidity Sensor, 1-4 Pieces, 36x36x9mm
$31.95 Save $16.00 RRP: $47.95
Wifi Smart Door Sensor Window Door Open Closed Detectors Smart Home
$23.95 Save $65.05 RRP: $89.00
UTP 4 Channel Passive Video Balun Transceiver
$15.95