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Security System Sensors

Shop the best prices on 11,368 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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769 - 800 of 3,200
Door and Window Alarm, 4pcs Magnetic Wireless Sensor for Home Security Child Safety Anti-Intrusion with 120dB Siren
$40.95 Save $28.05 RRP: $69.00
Home & Garden > Business & Home Security > Security System Sensors-hy
$15.95 Save $8.00 RRP: $23.95
Doorstop Security-Alarm for Home Travel Wireless Vibration Sensor Home Securitys Alarm Burglar With Button
$13.95 Save $10.00 RRP: $23.95
Tuya WiFi Smart Door Magnetic Sensor App Control USB Wireless Door & Window Sensor Door Magnetic Al
$21.95
Tuya Zigbee Door and Window Sensor Smart Home Automation Security Protection Smartlife APP Alarm Re
$14.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security
$19.95
Burglar Alarm for Doors and Window 120dB High Decibel Salarm Sensor Battery Powered Detector Door M
$9.95
WiFi Door Window Sensor APP Smart Home Security Protection Door Open Closed Detector for Alexa Yand
$13.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Accessory
$12.95
Ultrasonic Ranging Alarm Kits LED Display Design of Reverse Alarm DIY Kit Ultrasonic Sensor Module
$19.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home And Ki
$22.95 Save $22.00 RRP: $44.95
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
$84.00 Save $45.00 RRP: $129.00
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors Automation
$22.95 Save $16.00 RRP: $38.95
TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security Timer and Sensor,EU Pl
$35.95 Save $33.05 RRP: $69.00
1Pack Smart Door Sensor WiFi, Wireless Door Window Detector Alarm, Smart Linkage Window Door Contac
$23.95 Save $27.00 RRP: $50.95
Fake TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security and Sensor,EU Plug
$33.95 Save $35.05 RRP: $69.00
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
$48.95 Save $100.05 RRP: $149.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$14.95 Save $26.00 RRP: $40.95
Wireless Window Door Sensor, Magnetic Contact Switch, AC220V 2500W, Ideal for Extractor Hoods and Home Security EU Plug
$24.95
Wireless Home Doors Windows Security Entry Alarm System Pack 6
$21.95
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
$33.95 Save $11.00 RRP: $44.95
5 Set Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm
$17.95
1Pcs Vibration Detector Door Window Vibration Alarm Sensor Home el High Decibel Vibration Induction Anti-Theft Alarm
$13.95
Wireless Store Entrance Doorbell with Infrared Sensor and Alarm with 2 Receivers
$40.95 Save $13.05 RRP: $54.00
2025 Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$9.95 Save $9.00 RRP: $18.95
AK470 Hidden Camera Detector High Sensitivity Wireless RF Signal Scanner for Hotel Security Check
$119.00
Durable ABS Window Alarm Sensor, Adjustable Sensitivity, Battery Powered Remote Glass Break Detector, English, Black
$19.95 Save $5.00 RRP: $24.95
10W Magnetic Reed Switch Zinc Alloy Responsive NC Door Window Contact Sensor for Garage Warehouse Shop 100V
$24.95 Save $7.00 RRP: $31.95
Smart Door Window Alarm Sensor with Magnetic Password Disarm Function
$30.95 Save $28.05 RRP: $59.00
Freezer Door Alarm When Left Open,Fridge Door Alarm with Delay Upgrade 3/15/30/60 Seconds Security, Adjustable Delay Wireless Fridge Alarm Door Open C
$64.00 Save $65.00 RRP: $129.00
SONOFF SNZB-02D 2.5 inch LCD Smart Sensor Real-Time Monitoring Linkage
$54.00
Human Presence Sensor Millimeter Wave Radar Detection Built-in Illuminance Sensor
$45.95