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Shop the best prices on 9,973 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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33 - 64 of 9,973
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
$21.95 Save $18.00 RRP: $39.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System
$25.95 Save $25.00 RRP: $50.95
Human Presence Sensor Millimeter Wave Radar Detection Built-in Illuminance Sensor
$48.95
TUYA WiFi Door and Window Sensor Smart Security Alarms for Alexa Google Home
$18.95 Save $2.00 RRP: $20.95
TUYA WiFi Door and Window Sensor Smart Security Alarms for Alexa Google Home
$18.95 Save $2.00 RRP: $20.95
2Pcs Tuya Smart Temperature Humidity Sensor Zigbee
$24.95
Door Magnetic Sensor Wireless Window Open Detector Electronic AntiTheft Burglary Device
$17.95 Save $41.05 RRP: $59.00
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with H
$14.95 Save $3.00 RRP: $17.95
WiFi Door Open Closed Detectors Tuya Window Sensor with App Notification Alert Contact Sensor for Home Security with Black Color
$34.95
C100 125dB Vibration Sensor Alarm Door and Window Alarm Home Personal Anti-theft Alarm(Black)
$20.95
100m Ir Alarm Sensor, Digital Pulse Infrared Sensor Dual Beam Infrared Alarm, Infrared Invisible Sen
$189.00 Save $100.00 RRP: $289.00
Wireless Door Window Burglar Sensor 4 Modes Alarm Door Open Detectors Freezers Close Reminder Security Protection White
$8.95 Save $2.00 RRP: $10.95
Digital Thermometer With Wifi Connectivity And Freezer Alert For Home Monitoring
$84.00 Save $35.00 RRP: $119.00
Garage Door Bracket for Contact Sensors 2nd Gen
$10.95 Save $6.00 RRP: $16.95
Camera Detector, Gps Tracker Detection, Rf Signal Scanner With 1m-8g Hz Wide Frequency Range And 12 Sensitivity Levels Z
$114.00 Save $115.00 RRP: $229.00
Tuya Zigbee Rain Sensor 2-in-1 Light Detector Rainwater Detector
$27.95 Save $13.00 RRP: $40.95
Doberman Se-0701 Oval Household Anti-theft Door And Window Magnetic Spring Sensor Super Loud Simple Alarm unbrand
$14.95 Save $8.00 RRP: $22.95
Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automa
$38.95
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
$43.95 Save $20.05 RRP: $64.00
2 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 Jske
$54.00 Save $45.00 RRP: $99.00
Sensor Cover for Residential Alarm Protector Metal
$30.95
Retroreflective Grating Large Photoelectric Beam Sensors Reflector Square 5Pcs
$19.95 Save $19.00 RRP: $38.95
New Factory Intelligent Pressure Sensor For Zigbee Gravity Detection Automation Scene Linkage-TCE
$104.00 Save $165.00 RRP: $269.00
1 set Magnetic Door Sensor Alarm High-Security Door Window Alarm Plastic Suitable for Residential & Commercial Use
$36.95
Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance
$34.95 Save $8.00 RRP: $42.95
2025 New Wifi Wireless Smart Door Sensor Voice Control Home Security Alarm Detector Wifi unbrand
$34.95 Save $12.00 RRP: $46.95
10 Pack Window Alarm With Wireless Door Magnetic Sensor For Home Security System, Pool Door Alarm
$50.95 Save $68.05 RRP: $119.00
Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer
$28.95 Save $50.05 RRP: $79.00
Mailbox Alarm Mail Chime Notification System-mail Alarm 800 Ft Long Range Wireless Mailbox Alert With Led Light Flashing Szrh A-f unbrand
$32.95 Save $18.00 RRP: $50.95
RF Detector Privacy Protection High Sensitivity Portable Camera Finder GPS Tracking Device Detector
$129.00 Save $40.00 RRP: $169.00
Wall Mounted Remote Control Holder Organizer with Adhesive, Sturdy Storage Box for Easy Access Without Drilling
$13.95 Save $14.00 RRP: $27.95
Bedwetting Alarm System Sensor with Strong Vibration White Compact
$84.00 Save $45.00 RRP: $129.00