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Shop the best prices on 11,346 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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2,145 - 2,176 of 3,200
Key Chain Security Alarms With Led Flashlight(multicolor)(5pcs)
$48.95 Save $25.05 RRP: $74.00
Door/window Magnetic Contact Detector With Wired Sensor For Home/garage Security
$27.95 Save $25.00 RRP: $52.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home
$31.95 Save $27.05 RRP: $59.00
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home And Ki
$22.95 Save $12.00 RRP: $34.95
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector
$54.00 Save $30.00 RRP: $84.00
Tuya Door Sensor Smart Home Security Window Detector Door Sensor Switch Handle Window Alarm Contact Sensor
$18.95
Snzb-04p Zigbee Door And Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible With Alexa Home
$15.95
Utp 4 Channel Passive Video Balun Transceiver
$11.95
Tuya Wifi Smart Door Magnetic Sensor App Control Usb Wireless Door Window Sensor Door Magnetic Al
$12.95
Automated Gate Safe Infrared Detector Sensor for Swing Sliding Garage Gate Door Safety Infrared Beam Sensor Photocells
$28.95
90db Wireless Security Alarm Door Window Sensor Magnetic Opening Sensor Enhanced 10Pcs
$25.95
Tuya ZigBee Door Window Sensor Wifi Smart Home Door Sensor Alarms Wireless Door Magnetic Alarms with Zigbee Gateway
$45.95
2PC Tuya ZigBee Smart Temperature And Humidity Sensor Work With Alexa
$23.95 Save $12.00 RRP: $35.95
2 Pack Freezer Door Alarm, Window Security Alarm
$37.95 Save $21.05 RRP: $59.00
Wireless Door Contact Sensor 433MHz, Magnetic Contact Wireless Sensor Detector Switch for Doors Window Home Garage Alarm Security
$37.95 Save $81.05 RRP: $119.00
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
$27.95 Save $26.05 RRP: $54.00
IR Alarm Sensor 2Pcs Automatic Infrared Beam Detector for Security System
$99.00 Save $50.00 RRP: $149.00
2pcs Garage Door Bracket for Ring Alarm Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
$22.95
Fake TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security and Sensor,EU Plug
$37.95 Save $41.05 RRP: $79.00
Tuya Zigbee Human Presence Sensor Respiratory Motion Detection Wireless Connection Smart Home Security Alarm
$64.00 Save $40.00 RRP: $104.00
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen
$13.95 Save $14.00 RRP: $27.95
WiFi Door Sensor, Tuya Smart Wireless Door & Window Sensor, Real-Time Alarm Compatible with Alexa and Google Assistant
$25.95 Save $33.05 RRP: $59.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$9.95 Save $10.00 RRP: $19.95
DOBERMAN SE-0137 4 in 1 Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm Set
$46.95
5Set/Lot Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm Smart Home Security Protection Door Window Alarm
$6.95 Save $2.00 RRP: $8.95
Capacitive touch switch digital touch sensor module 8-channel, digital function
$33.95 Save $15.00 RRP: $48.95
Graffiti Durable Convenient Smart Secure Reliable Smart Door Security Wireless Door Sensor Wireless Sensor Innovative 1 2
$54.00 Save $10.00 RRP: $64.00
Fake TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security and Sensor,EU Plug
$25.95 Save $2.00 RRP: $27.95
Digital Thermometer With Wifi Connectivity And Freezer Alert For Home Monitoring
$89.00 Save $50.00 RRP: $139.00
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor
$28.95 Save $5.00 RRP: $33.95
Tuya Smart WIFI Door Sensor Window Open Detector Voice Control
$20.95 Save $3.00 RRP: $23.95
W100 Smart WiFi Bridge Gateway and Door Sensor Set for
$84.00 Save $15.00 RRP: $99.00