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Shop the best prices on 11,376 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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2,017 - 2,048 of 3,200
Wireless temperature sensor for home indoor monitoring with ZigBee technology and APP control
$10.95 Save $68.05 RRP: $79.00
Smart Home Zigbee Temperature and Humidity Sensor Remote Control SmartLife Work with Alexa Google Assistant
$16.95
Access control sensor for security systems - infrared beam detector
$12.95 Save $66.05 RRP: $79.00
Tilt Sensor Module Angle Relay 45 90 Degree Alarm Trigger Protection Board 5V SW‑520
$15.95 Save $18.00 RRP: $33.95
Wifi Smart Diy House Security Alarm
$48.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$29.95 Save $34.05 RRP: $64.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
$59.00 Save $30.00 RRP: $89.00
Active Infrared Beam Sensor Anti Theft for Gate Openers Access Control Security Alarm SystemHwy
$21.95
MC-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.C Type Multicolor
$15.95
Camera Detector, Gps Tracker Detection, Rf Signal Scanner With 1m-8g Hz Wide Frequency Range And 12 Sensitivity Levels Z
$99.00 Save $40.00 RRP: $139.00
Alarm Gate Fence Trips Line Wire 12G Blank Firer Intruder Alarm Safety Switch suitable for
$51.95 Save $17.05 RRP: $69.00
Waterproof Dual-Beam Photoelectric IR Detector - Outdoor Infrared Barrier Sensor with Lens Indicato
$38.95
Garage Door Bracket for Contact Sensor
$11.95 Save $5.00 RRP: $16.95
Smart WiFi Window Door Vibration Alarm Sensor 130dB Burglar Alarm Ultra-thin
$27.95 Save $9.00 RRP: $36.95
Home Magnetic Window Sensor App Notification Zero False Alarm Multi-purpose Application
$16.95 Save $42.05 RRP: $59.00
Fake TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security and Sensor,EU Plug
$64.00
Tuya Zigbee 3.0 Smart Door Sensor Security Protection Open/Closed Door Detector with Smart Life APP Control Alexa & Google Home
$69.00 Save $15.00 RRP: $84.00
Tuya Zigbee 3.0 Smart Door Sensor Door Open Closed Detectors Security Protection
$26.95 Save $6.00 RRP: $32.95
Baby Window Safety, Set Of 4 Durable Zinc Alloy Door Safety Locks Latches Handle Blocks With Fixing Screws Home Security For Upvc Doors And Windows
$59.00 Save $5.00 RRP: $64.00
Smart Motion Sensor,wifi Wireless Security Alarm,with Free Notification
$43.95 Save $10.05 RRP: $54.00
2pcs Wired Pir Motion Sensor Wide Angle Passive Infrared Detector For Home Burglar Security Alarm Sy
$17.95 Save $13.00 RRP: $30.95
Touch Sensor Door Handle Alarm Anti Theft Vibration Window Burglar Alert Home Security Door Alarm A
$15.95
Car Air Pump Tire Air Pump Smart Air Pump Tire Inflator Auto Supplies High Version
$74.00 Save $35.00 RRP: $109.00
Tuya Zigbee Rain Sensor 2-in-1 Light Detector Rainwater Detector Support Tuya App Remote Control unbrand
$19.95 Save $10.00 RRP: $29.95
Infrared Sensor Variable Frequency 4 Beam IR Barrier Fence Detector Human Body Sensing Safety Grating 8‑33VDC 20m/787.4in 25-26
$129.00 Save $130.00 RRP: $259.00
Tuya Zigbee Smart Temperature and Humidity Sensor Micro USB / Battery Powered Home Security Work with Homekit Alexa Google Home
$54.00 Save $10.00 RRP: $64.00
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025-ss
$17.95 Save $8.00 RRP: $25.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025-ss
$17.95 Save $8.00 RRP: $25.95
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
$74.00 Save $35.00 RRP: $109.00
Household Air Quality Detector Multifunctional CO2/Temperature/Humidity Monitor Carbon Dioxide PPM Semiconductor Sensor LED Display 1200mAh
$42.95 Save $51.05 RRP: $94.00
12V PC Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm Blue
$18.95
Touch Sensor Pannel NO NC COM Exit LED Light Access Control Switch Button for Home Security
$23.95 Save $7.00 RRP: $30.95