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Shop the best prices on 11,225 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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1,505 - 1,536 of 3,200
Door Sensors Alarms Contact Wireless Door Window Magnet Entry Detector Sensor
$16.95 Save $18.00 RRP: $34.95
Tuya WiFi Smart Home Burglar Alarm Sensor Infrared Motion Detector PIR Sensor Security Protection Remote Monitor
$32.95 Save $9.00 RRP: $41.95
Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black
$16.95 Save $5.00 RRP: $21.95
Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security
$19.95 Save $6.00 RRP: $25.95
Tuya ZigBee Door Window Sensor Wifi Smart Home Door Sensor Alarms Wireless Door Magnetic Alarms with Zigbee Gateway
$46.95 Save $12.05 RRP: $59.00
Tuya ZigBee Vibration Sensor Smart Home Vibrator Door Window Break Burglar Detector Smart Life APP Security Protection
$24.95 Save $8.00 RRP: $32.95
Zigbee Temperature and Humidity Sensor Mini Temperature Humidity Detector with for App Control
$16.95 Save $5.00 RRP: $21.95
Tuya Zigbee Smart Vibration Sensor Home Security Guard Real-Time Monitoring Alarm Notification Tilt Detector
$31.95 Save $10.00 RRP: $41.95
Zigbee Smart Vibration Sensor,Real Time Monitoring,Door Window Vibration Detection Siren for Home,App Remote Control
$20.95 Save $7.00 RRP: $27.95
Tv Simulator With Ac Adaptor Antiburglar And Theft Deterrent Home Security Timer And Sensor,eu Pl
$27.95 Save $31.05 RRP: $59.00
Tuya ZigBee Smart Motion Sensor Vibration Tilt Fall Sensor Security Burglar IP67 Real-Time APP Detection
$23.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
$26.95
1 Set NO NC Magnetic Door Window Contact Sensor Alarm Reed Switch Fit for GPS Alarm or Other Device with 2 Screws White
$17.95
Wired Metal Door Magnetic Contact Sensor Detector Garage Warehouse Security Magnetic Switch Alarm Electromagnetic Contact Type Wired Sensor Detector S
$27.95 Save $16.00 RRP: $43.95
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
$69.00 Save $50.00 RRP: $119.00
SONOFF SNZB-02D 2.5 inch LCD Smart Sensor Real-Time Monitoring Linkage
$69.00
10m electronic Safety Light automatic door safety beam sensor Photoelectric Beam Sensor (Single/double Beam)
$104.00 Save $95.00 RRP: $199.00
Professional Gps Tracker Detector Finder The Best
$94.00 Save $75.00 RRP: $169.00
5 Pcs -38 Wired Door Window Sensor Magnetic Switch For Home Alarm System,When Sensor Together,Norma
$5.95 Save $3.00 RRP: $8.95
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Intelligent Linkage Smart Home Security
$94.00 Save $115.00 RRP: $209.00
For Xiaomi Door/ Window Sensor WS39952
$35.95 Save $33.05 RRP: $69.00
Tuya Smart Zigbee Solar Light and Rain Sensor Alarm Real-Time Notification Light Sensing Rain Detector 2-In-1
$109.00 Save $60.00 RRP: $169.00
Glass Break Alarm Glass Door Window Vibration Sensor 130db Glass Breaking Alarm Window Sensor
$40.95 Save $63.05 RRP: $104.00
TuyaWifi SOS Emergency Panic Button for Elderly Alarm Sensor Home Burglar Alarm Falling Detector Security Alarm System A
$21.95 Save $10.00 RRP: $31.95
Rearview Mirror Adhesive Dash Cam Universal Design High-Definition Real-Time Monitoring 1Set
$23.95 Save $9.00 RRP: $32.95
4Pcs Tuya WiFi Smart Temperature Humidity Sensor Indoor Humidity Sensor APP Monitoring for Home Ass
$36.95
Driving Recorder Bracket Rearview Mirror Mount Arm ABS for Cars
$28.95 Save $13.00 RRP: $41.95
Sensor Covers For Freestyle Libre, Sensor Adhesive Patches Waterproof Cgm Sensor Protection No Glue
$20.95 Save $63.05 RRP: $84.00
Tuya Smart WiFi Door Sensor Window Sensor Door Magnetic Alarm Detector
$27.95 Save $22.00 RRP: $49.95
Wireless Door Sensor Alarm with Buzzer 2 Pack
$149.00 Save $50.00 RRP: $199.00
Wireless Infrared Alarm Sensor 433Mhz Probe
$104.00 Save $45.00 RRP: $149.00
Wireless Infrared Alarm Sensor 433Mhz for Home Security
$104.00 Save $45.00 RRP: $149.00