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Shop the best prices on 11,315 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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1,729 - 1,760 of 3,200
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
$59.00 Save $60.00 RRP: $119.00
Car Door Alarm Open Door Alarm Sensor Alert Loud Volume Prompt Small Size Alert Alarm With Electronic Component For SUVs Car
$36.95 Save $172.05 RRP: $209.00
Smart WiFi Switch with Temperature Sensor, 85-250V Wireless Home Automation Switch 2025
$39.95 Save $39.05 RRP: $79.00
2025 Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$20.95 Save $21.00 RRP: $41.95
Self-Adhesive Wireless Magnetic Sensor Burglar Door Window Entry Alarm 90 Db 2025
$94.00 Save $95.00 RRP: $189.00
2025 392652F350 PM Particulate Matter Sensor for Air Quality Monitoring
$169.00 Save $160.00 RRP: $329.00
2025 Fake TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security and Sensor,EU Plug
$27.95 Save $31.05 RRP: $59.00
1pcs 20m Latest Waterproof Active Photoelectric Single-beam Infrared Sensor Obstacle Detector Anti- 2025
$6.95 Save $7.00 RRP: $13.95
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
$25.95 Save $33.05 RRP: $59.00
Door Window Alarm, 120db Door Alarms For Kids Safety, Window Pool Alarms For Home
$43.95 Save $95.05 RRP: $139.00
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart L
$54.00 Save $15.00 RRP: $69.00
DC12V Infrared Photocell Automatic Beam Sensor Gate Garage Door Shutter Detector 24V 1 Pair
$59.00 Save $10.00 RRP: $69.00
Tuya Door Sensor Smart Home Security Window Detector Door Sensor Switch Handle Window Alarm Contac
$14.95 Save $28.00 RRP: $42.95
C100 125dB Vibration Sensor Alarm Door and Window Alarm Home Personal Anti-theft Alarm(Black)
$20.95
Zigbee Wireless Smart Door & Window Sensor with Tuya Opener - Smart Alarm Detector for Home Security
$38.95
Tuya ZigBee Wireless PIR Sensor: Rechargeable Home Infrared Detector for Mobile App Security with Tuya Smart Home Compatibility
$47.95
DC12V Infrared Photocell Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector for Door
$26.95 Save $92.05 RRP: $119.00
Garage Door Bracket for Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
$14.95
Wireless Temperature And Humidity Sensor Detector Smart Home Sonoff SNZB-02P
$50.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home And Ki
$47.95 Save $31.05 RRP: $79.00
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$36.95 Save $27.05 RRP: $64.00
WIFI Smart Home PIR Motion Detection Sensor Wireless Security Burglar Alarm Sensor
$26.95
Upgraded InfraredDetectors High Precisions Vehicle & Pedestrians Detection Wide Coverage Ranges for Traffic Monitorings Multicolor
$32.95
Wifi Doorbell With Magnetic Triggered Sensor For Window And Door Security 8.20X4.20X1.60cm White 1Set
$24.95 Save $9.00 RRP: $33.95
Magnetic Contact Switch, Contact for Window Magnetic Switch for Wired Sensor Detector for Security Alarms in the Home Garage
$27.95 Save $16.00 RRP: $43.95
Wired NC Type Magnetic Alarm Door Window Contact Sensor Detector Reed Switch
$14.95 Save $12.00 RRP: $26.95
Mini Door Window Alarm Home Security 433Mhz Wireless Magnetic Sensor Anti-Theft Alarm Sound Easy Installation for Home Garage Apartment Door Alarm Se
$31.95 Save $27.05 RRP: $59.00
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security Garage Warehouse Security Magnetic Switch Alarm Door Sensor A
$27.95 Save $16.00 RRP: $43.95
Turbidity Sensor Suspended Turbidity Value Detection Module Kit For
$22.95 Save $11.00 RRP: $33.95
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors Automation Home Security
$18.95 Save $8.00 RRP: $26.95
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$14.95 Save $32.00 RRP: $46.95
Automatic Door Safety Sensor Photoelectric Beam for Sliding & Swing Doors - Reliable Photocells
$74.00 Save $45.00 RRP: $119.00