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Shop the best prices on 3,459 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Other, Ebox and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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2,817 - 2,848 of 3,459
eWeLink 433MHz Smoke Detector Sensor Wireless Fire Security Protection Alarm Sensor Smart Home,Require Sonoff RF433 Bridge Hub
$45.95 Save $18.05 RRP: $64.00
2Pcs Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock
$26.95 Save $3.00 RRP: $29.95
Fridge Alarm Freezer Alarm with Adjustable Voice Reminders Close Door Reminder Voice Alert
$16.95 Save $1.00 RRP: $17.95
Tuya Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection
$32.95 Save $6.00 RRP: $38.95
Door Window Burglar Alarm Sensor Wireless Remote Control Anti-Theft Alarm System Kit Home Security D
$25.95 Save $5.00 RRP: $30.95
Advanced Anti-Wild Boar Alarm with Theft Deterrent Technology
$31.95 Save $17.05 RRP: $49.00
2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$46.95 Save $32.05 RRP: $79.00
Doorstop Security-Alarm for Home Travel Wireless Vibration Sensor Home Securitys Alarm Burglar With Button
$13.95 Save $8.00 RRP: $21.95
DC5V 6A Power Adapter Power Supply Brick Switching Transformer for LED Light Strip Security Monitoring 100240V
$23.95 Save $7.00 RRP: $30.95
Logic Test Pen 5V 3.3V High Low Level Tester High Resistance Disconnect Circuit Debugger
$13.95 Save $4.00 RRP: $17.95
Smart WiFi Curtain Switch Touch Panel Timer APP Voice Control for Google Home for Tuya EU Plug 110240V
$42.95 Save $16.05 RRP: $59.00
Keyhole Light LED Human Body Infrared Unlock Sensor Lamp for Household Living Room
$19.95 Save $6.00 RRP: $25.95
Wireless Door Window Alarm Sensor Anti Theft 108 DB Easy Installation Security Alarm for Home Cabinet
$19.95 Save $12.00 RRP: $31.95
Safety Light Curtain Sensor 50m Range Anti Theft Light Grating Sensor Security Device AC1218V DC1224V
$84.00 Save $55.00 RRP: $139.00
Window Alarm Sensor Durable ABS Adjustable Sensitivity Remote Battery Powered Glass Break Detector English Black
$17.95 Save $10.00 RRP: $27.95
Power Off Detector Sensor Large Volume Alarm System
$16.95 Save $10.00 RRP: $26.95
Light Curtain Sensor Switch Safety Light Grating Security Device(4 Beams BEM0440-C-120NB)
$69.00 Save $40.00 RRP: $109.00
Tuya Door Sensor Smart Home Security Window Detector Door Sensor Switch Handle Window Alarm Contac
$14.95 Save $26.00 RRP: $40.95
Vibration Sensor For Wireless Door And Window Security Motion Alerts Home Assistant Compatible
$38.95 Save $20.05 RRP: $59.00
20m Infrared Beam Sensor Detector for Yard Gate Perimeter Protection Outdoor Home Security Alarm
$64.00 Save $15.00 RRP: $79.00
Leku Magnetic Detection Contacts Set Zinc Alloy, for Home Garage Window Door Security, Magnetic Sensor, 20~30mm Detection, Ideal Replacement for Old C
$26.95 Save $16.00 RRP: $42.95
Zigbee Temperature and Humidity Sensor Mini Temperature Humidity Detector with for App Control
$10.95 Save $37.00 RRP: $47.95
Smart WiFi Vibration Sensor Alarm RealTime Activity And Shock Detection Black Vibration Detector Smart Home Compatible
$28.95 Save $14.00 RRP: $42.95
Fridge Alarm Freezer Alarm with Adjustable Voice Reminders Close Door Reminder Voice Alert
$16.95 Save $10.00 RRP: $26.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$13.95
Tuya Zigbee Door and Window Sensor APP Alarm Remote Real-Time Push
$11.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor
$14.95 Save $3.00 RRP: $17.95
Zigbee Smart Vibration Sensor,Real Time Monitoring,App Remote Control
$16.95 Save $4.00 RRP: $20.95
2Pcs Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock
$25.95 Save $5.00 RRP: $30.95
2Pcs Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock
$25.95 Save $5.00 RRP: $30.95
Split Type Door and Window Sensor Door Magnet Sensor 60 Songs Protection Security Anti-Theft Volume
$17.95 Save $36.05 RRP: $54.00
WIFI Door Sensors Alarms Contact Wireless Door Window Magnet Entry Detector Sensor for Home Security APP tuya2pcs
$94.00 Save $25.00 RRP: $119.00