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Security System Sensors

Shop the best prices on 10,943 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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2,209 - 2,240 of 3,200
Smart Wifi Door Window Sensor, Window S Window Contact Door Window Alarm
$31.95 Save $67.05 RRP: $99.00
Smart Door Window Sensor 2.4G WiFi Magnetic Open Close Detector Home Burglar Alarm for TUYA
$13.95 Save $13.00 RRP: $26.95
3Pcs Ttp226 8 Channel Touch Sensor Module
$19.95 Save $14.00 RRP: $33.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$17.95 Save $18.00 RRP: $35.95
Tuya ZigBee Smart Door Sensor, Wireless Open/Closed Detector with Tamper Alarm Security System
$46.95 Save $102.05 RRP: $149.00
f Magnetic Sensor Switch - Wired For Home Garage Alarm Monitoring
$30.95
Tuya Zigbee Door Sensor Window Sensor Wireless Smart Door Sensor Alarm Support Home Security&Automation
$30.95 Save $38.05 RRP: $69.00
Wireless Window Contact Alarm Sensor-JJ
$52.95 Save $61.05 RRP: $114.00
Tuya WiFi Smart Door Window Sensor Home Indoor Door Magnetic Detector Compatible with & Home Black
$12.95
Wireless Door Sensor Alarm, Magnetic Induction, 433 Remote Control, Home Anti-Theft
$69.00 Save $20.00 RRP: $89.00
Wireless Door Opening Contact Sensor Alarm with Buzzer
$64.00 Save $25.00 RRP: $89.00
Trip Wire on Reusable Reel (2 Pack) - Early Warning Perimeter Defense for All Devices 85FT Line on Easy Wind Reel
$12.95 Save $7.00 RRP: $19.95
Vibration Sensor Smart Vibration Alarm Sensor for Home Security
$36.95 Save $22.05 RRP: $59.00
Magnetic Door Window Entry Alarm Sensor Switch for Home Security System
$10.95 Save $13.00 RRP: $23.95
Photocell Sensor Lamp Switch Sensor Withstand Harsh Weather For Street Lighting 8.50X4.60X3.00CM 1Pcs
$24.95 Save $15.00 RRP: $39.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
$33.95 Save $35.05 RRP: $69.00
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
$33.95 Save $35.05 RRP: $69.00
Detector, Gps Tracker Detection, Rf Signal Scanner With 1m-8g Hz Wide Frequency Range And 12
$129.00 Save $130.00 RRP: $259.00
4vwin Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type)
$37.95 Save $111.05 RRP: $149.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
$59.00 Save $130.00 RRP: $189.00
2X EWelink Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection Waterproof, Zigbee Hub Required,Linkage Control
$44.95
Tuya WiFiZigBee Smart Door Window Sensor Smart Home Wireless Door Detector
$9.95 Save $5.00 RRP: $14.95
M5STACK RFID 2 Unit Mini RFID Reader Sensor WS1850S Radio Frequency for Smart portation
$14.95 Save $69.05 RRP: $84.00
Smart Wifi Door Window Sensor Magnetic Detector Home Security Alarm Voice Control for Google Home
$28.95 Save $8.00 RRP: $36.95
Compact Singal Radiation Beam Door Window Infrared Detector Alarm for Home Security
$24.95 Save $8.00 RRP: $32.95
Solar Infrared Beam Sensor 433MHz 150m IP65 Outdoor Fence Courtyard Wall Anti Theft Infrared Beam Barrier Alarm
$279.00 Save $130.00 RRP: $409.00
Outdoor Wired Active Photoelectric Single Beam Infrared Sensor Barrier Detector for Gate Door Window 12V Accessories Black
$29.95
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
$30.95
SNZB-04P Zigbee Door and Window Sensor
$19.95
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type)
$33.95 Save $17.00 RRP: $50.95
100M Wired Dual Beam Photoelectric Infrared Sensor Barrier Detector with Tamper Alarm Output for Gate Door Window Burglar Security System
$43.95 Save $25.05 RRP: $69.00
Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
$38.95 Save $80.05 RRP: $119.00