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Shop the best prices on 3,451 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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2,977 - 3,008 of 3,451
2Pcs Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock Detection Black
$29.95 Save $9.00 RRP: $38.95
Wireless Security Alarm, Door Window Sensor, 90db, 5Pcs
$10.95
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
$11.95
Automatic Toilet Flush Button Smart Flusher ExternalInfrared Sensor
$19.95
5pcs MC-38 Recessed Wired Door Window Sensor Magnetic Switch Home Alarm System
$17.95 Save $5.00 RRP: $22.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door
$30.95 Save $9.00 RRP: $39.95
DC12V Infrared Photocell Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector for Door Window Burglar Alarm System Sliding Gate Opener Acce
$23.95 Save $7.00 RRP: $30.95
A Pair Normally Closed Magnetic Window Door Safety Alarm Switch Metal Housing
$17.95 Save $5.00 RRP: $22.95
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 100m/328.1ft
$64.00 Save $20.00 RRP: $84.00
10pcs Wired Door Window Sensor Magnetic Switch for Home Alarm System
$23.95 Save $7.00 RRP: $30.95
Invisible Beam Barrier Active Detection Digital Pulse Infrared Sensor 100m IR Alarm
$69.00 Save $20.00 RRP: $89.00
4PCS Tuya WiFi Vibration Detector Sensor Wireless Vibration Detector Real-Time Smart Life App Alert
$44.95 Save $14.05 RRP: $59.00
Wireless Home Alarm Kit,WiFi Door and Window Sensor,Intelligent Door Status Detection,Send Warning to Phone,Work with Smart Life APP
$32.95 Save $26.05 RRP: $59.00
Glass Break Detectors, Window Alarm with 125 DB Alarm, Window Vibration Sensor Alarm for Your Home, Office, Garage, Dorm Room, Or Even RV, White(2 Pie
$44.95 Save $24.05 RRP: $69.00
Wireless Home Alarm Kit, Wifi Door Window Sensor, Smart Door Status Detection, Phone Notification, Work W
$40.95
Via Alexa Google Home Door Window Sensor
$30.95 Save $15.00 RRP: $45.95
Wireless Door Alarm With Remote, Windows Open Alarms,home Security Sensor, Pool Alarm For Kids Safety, Prevent Robbery (2-dwdz
$109.00 Save $50.00 RRP: $159.00
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
$20.95 Save $11.00 RRP: $31.95
Vibration Sensor Modules 10 Pcs Enhanced Trigger Duration Reliable Output Signals For Vibration Detection Tasks
$21.95 Save $11.00 RRP: $32.95
Sonoff SNZB-01P Zigbee Wireless Smart Scene Switch
$29.95
Split Type Door and Window Sensor Door Magnet Sensor 60 Songs Protection Security Anti-Theft Volume Reminder EU White
$26.95
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Gateway Mi Home
$109.00
LD6001C 60GHz mmWave Radar Sensor Passenger Flow Sensor Module
$79.00
Zigbee Wireless Window Alarm Sensor for Tuya Living Room And Front Door Security System Status Detector Accessories
$74.00 Save $40.00 RRP: $114.00
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor
$17.95 Save $1.00 RRP: $18.95
WiFi Vibration Sensor Alarm And Wireless Vibration Detector RealTime Activity And Shock Detection Black
$30.95 Save $15.00 RRP: $45.95
Touch Sensor Door Handle Alarm Anti Theft Vibration Window Burglar Alert Home Security Door Alarm A
$15.95
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door
$29.95
Touch Sensor Pannel NO NC COM Exit LED Light Access Control Switch Button for Home Security
$22.95 Save $7.00 RRP: $29.95
Wireless Magnetic Wave Signal Detector Bug Sweeper Listening Device Anti Spy Hidden Camera Detector
$109.00 Save $70.00 RRP: $179.00
5 Sets Magnetic Reed Switch DC100V Normally Open Closed Recessed Wired Door Window Sensor Switch for Alarm System White
$26.95 Save $16.00 RRP: $42.95
Tuya Wifi Smart Door Sensor Window Entry Sensor with Scene Interaction Button Smart Life for APP Re
$20.95