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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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1,921 - 1,952 of 3,200
Infrared Detector Durable Window Alarm Active Barrier Sensor
$35.95 Save $7.00 RRP: $42.95
Système de sécurité anti-effraction avec alarme magnétique pour porte et fenêtre, pour magasin, garage
$14.95 Save $4.00 RRP: $18.95
T01 Hidden Camera Detectors Portable GPS/WIFI Signal Detector with 6 Levels Sensitivity Secret Devices Detector for Home Travel Hotels Car
$37.95 Save $12.00 RRP: $49.95
7m Sliding Garage Door Gate Opener Infrared Beam Reflective with 2 Covers for Electrical Gate Photo
$43.95 Save $8.00 RRP: $51.95
Door Window Sensor Detector Wireless Open Contact Sensor WiFi APP Timer Magnet Back Adhesive Sharing Security Sensor Alarm for ZigBee for Tuya
$21.95 Save $22.00 RRP: $43.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$24.95 Save $59.05 RRP: $84.00
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Instal
$14.95 Save $1.00 RRP: $15.95
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Instal
$14.95 Save $1.00 RRP: $15.95
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
$94.00 Save $155.00 RRP: $249.00
MC-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.C Type Multicolor
$14.95
Tuya Zigbee Smart Door Sensor Door Open Closed Detectors Security Protection Smart
$25.95 Save $25.00 RRP: $50.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarms System
$36.95 Save $62.05 RRP: $99.00
Magnetic Sensor Bed Wetting Alarm Rechargeable Loud Sound Vibration Waterproof Bedwetter Pee Alarm Monitor for Kids
$54.00
Sensor Cage Protecting Alarm Head Protector 1 Piece for Residential Use
$20.95 Save $10.00 RRP: $30.95
Iron Sensor Protector Cage for Commercial Use Alarm Cover
$19.95 Save $14.00 RRP: $33.95
Tuya Zigbee Temperature and Humidity Sensor Voice Control
$54.00 Save $40.00 RRP: $94.00
DC 12v 24v Infrared Sensor Detector Door Safety Photocell Beam Sensor for Automatic Door unbrand
$17.95 Save $13.00 RRP: $30.95
Alarm Head Protector Protection 2Pcs Silver Iron Cover
$17.95 Save $17.00 RRP: $34.95
Multifunction Signal Detector with Infrared Camera GPS Checker for Bathroom Hotel Office Wireless Network Testing
$189.00 Save $90.00 RRP: $279.00
Hide Camera Detectors Signal and WiFi Scanners Portable Trackers Detector Anti Candid Detector Multicolor
$139.00
Hide Camera Detectors Signal and WiFi Scanners Portable Trackers Detector Anti Candid Detector Multicolor
$139.00
Wired Magnetic Door Window Contact Sensor Switch for Home Garage Security Alarm System Detector
$12.95 Save $7.00 RRP: $19.95
Truck Tire Pressure Monitor System IP67 Waterproof 6PCS External Sensor Leakage Alarm
$349.00 Save $350.00 RRP: $699.00
Door Window Magnetic Contact Switch Wired Sensor Detector Switch for Home Garage Alarm Security
$25.95 Save $15.00 RRP: $40.95
PB-69W WIFI Smart Wireless Magnetic Door and Window Sensor
$19.95
PB-69W WIFI Smart Wireless Magnetic Door and Window Sensor
$19.95
Water Sensor Wireless Water Leak Detector Battery Powered Home Alarm Flood Sensor With Alarm Sound App Alert
$64.00 Save $40.00 RRP: $104.00
Door Window Magnetic Sensor Anti-entry Security Alarm
$19.95
5pcs Recessed Magnetic Window Door Contacts Alarm Security Reed Switch White
$21.95
Window Security Contact Switch Surface Mount NC/NO Door Sensors Detector for Home Security and Burglars Alarm Systems Multicolor
$29.95
2025 Wireless Home Doors Windows Security Entry Alarm System Pack 6
$25.95 Save $26.00 RRP: $51.95
LD6002C 60G FMCW Millimeter Wave Radar Sensor Non-Contact Fall Detection Device for Safety Monitoring
$64.00 Save $30.00 RRP: $94.00