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Shop the best prices on 11,424 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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257 - 288 of 3,200
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems-yt
$64.00 Save $20.00 RRP: $84.00
UTP 4 Channel Passive Video Balun Transceiver
$15.95 Save $11.00 RRP: $26.95
Zigbee Solar-Powered Light Sensor, IP65 Waterproof Outdoor Brightness Detector with Real-Time Luminance Monitoring
$40.95 Save $33.05 RRP: $74.00
T01 Hidden Camera Detectors Portable GPS/WIFI Signal Detector with 6 Levels Sensitivity Secret Devices Detector for Home Travel Hotels Car
$37.95 Save $11.00 RRP: $48.95
Magnetic Reed Switch NC Garage Door Sensor Silver Gray MC52 for Reliable Position Detection
$22.95 Save $11.00 RRP: $33.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$25.95 Save $73.05 RRP: $99.00
Door Window Sensor Detector Wireless Open Contact Sensor WiFi APP Timer Magnet Back Adhesive Sharing Security Sensor Alarm for ZigBee for Tuya
$21.95 Save $21.00 RRP: $42.95
90db Wireless Security Alarm Door Window Sensor Magnetic Opening Sensor Enhanced 10Pcs
$18.95
Door Window Alarms, Adjustable Volume, Chime/Alarm, Door Window Alarm Sensor for Home Security, Kid
$47.95 Save $46.05 RRP: $94.00
suitable for Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces)-YI WU CHUN HUI
$29.95 Save $49.05 RRP: $79.00
2pcs Magnetic Reed Switch Normally Open Closed Magnetic Contact Switch for Door Wall
$15.95 Save $5.00 RRP: $20.95
Magnetic Door Window Contact Sensor Alarm Wired Metal Security Home Burglars Alarm NO/NC Magnetic Switch Easy to Install
$35.95 Save $103.05 RRP: $139.00
Stainless Steel Float Switch Tank Liquid Water Level Sensor L Type For Pool Can 75mm Float Switch Tank Pool Sensors Water Level
$29.95 Save $54.05 RRP: $84.00
Passage Alarm, Shop Bell, Wireless Alarm System With Motion Detector
$44.95
1 Piece Universal Car Seat Pressure Sensor Safety Belt Warning Reminder Occupied Seated Alarm Security Alarm Sensor
$29.95 Save $119.05 RRP: $149.00
WiFi humidity sensor with remote control screen for smart home
$32.95
Surface Mount Wired Nc Door Contact Sensor Alarm For Door Window Cabinets 10pcs
$22.95
GuDoQi Door Alarm Sensor Wireless Remote Window Alarm 2 Remote Controls 130 dB Siren Magnetic Security Sensor Entry Burglar Alert Security Alarm Warni
$30.95
2Pcs Single Infrared Beam Sensor IP55 Protection Automatic Infrared Photocell Sensor Alarm for Gate Opener
$39.95 Save $24.05 RRP: $64.00
Magnetic Reed Switch Alarm Sensor Set for Doors & , Recessed Design, Easy Installation, Compatible with Security Alarm Systems, Compact & Practical,
$25.95 Save $15.00 RRP: $40.95
2 Sets Magnetic Reed Switch NO NC Wired Surface Mounted Magnetic Contact Switch for Door Window
$32.95 Save $17.00 RRP: $49.95
4PCS Car Tpms Tire Pressure Monitor Warning System Sensor for For Haval F5 F7 F7X H2s H4 H6 H7L For GreatWall VV5 VV7 VV6
$94.00 Save $35.00 RRP: $129.00
[New] DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
$26.95
[New] NEO NAS-DS05B Zigbee Door Sensor & Window Sensor
$39.95
Window Security Contact Switch Surface Mount NC/NO Door Sensors Detector for Home Security and Burglars Alarm Systems Multicolor
$28.95
Door Window Sensors Detector Home Security Magnetic Sensor Door Window Anti-theft Alarm Surface Mount Strong Concealment
$14.95
Door Window Sensors Detector Home Security Magnetic Sensor Door Window Anti-theft Alarm Surface Mount Strong Concealment
$14.95
Wired Door Sensor Magnetic Switch Home Door Window Entry Warning Switch Home Anti-theft Alarm Dustproof Waterproof Multicolor
$18.95
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector for Home Security
$24.95
Magnetic Remover Clothing Hard Tag Remove - Security Tag Detacher for Easy Tag Removal
$23.95
Magnetic Remover Clothing Hard Tag Remove - Security Tag Detacher for Easy Tag Removal
$23.95
Multifunctional Solar Infrared Sensor Ultrasonic Led Burglar Alarm Animal Repeller For Outdoor Animals
$104.00 Save $375.00 RRP: $479.00