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Shop the best prices on 3,569 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Nedis, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1,729 - 1,760 of 3,569
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Detector
$13.95 Save $5.00 RRP: $18.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
$24.95 Save $18.00 RRP: $42.95
WiFi Door Sensor, Smart Door Window Sensor,for Assistant,Home Security Door Open,for Business Burgla
$17.95 Save $10.00 RRP: $27.95
4X Tuya Zigbee Button Smart Scene Switch Intelligent Linkage Wireless Switch Automation Work with Smart Life
$45.95 Save $28.05 RRP: $74.00
WiFi Door Sensor, Smart Door Window Sensor,for Alexa Google Assistant,Home Security Door Open,for Business Burglar
$18.95 Save $13.00 RRP: $31.95
Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance Monitoring
$35.95 Save $23.05 RRP: $59.00
DFROBOT 24GHz MmWave C4001 Sensor Human Presence Distance Velocity Detection Sensor 25M UART for Real-Time Monitoring Tracking
$47.95 Save $31.05 RRP: $79.00
Infrared Radiation Detectors Single Beam Alarm for Warning A Pair
$28.95 Save $23.00 RRP: $51.95
Tuya ZigBee Light Sensor Luminance Sensor Beam Sensor Real-Time Luminance Detection Smart Home Automation App Control
$30.95
Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
$12.95
918Ft Wireless Door Security 4 Magnetic Sensor Alarm Home Door Open Split Entry Detector Commercial Welcome Chime Bell 36 Tunes
$339.00 Save $90.00 RRP: $429.00
Tuya WiFi Smart Door Window Sensor Home Indoor Door Magnetic Detector Compatible with & Home White
$15.95 Save $5.00 RRP: $20.95
KERUI Door Window Sensor Independent Opening Magnetic Door Sensor 90db Wireless Security Alarm
$36.95
Triple Beam Alarm Photoelectric Infrared LED Detector Security System ABE-100
$94.00 Save $55.00 RRP: $149.00
Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door
$35.95 Save $23.05 RRP: $59.00
Triple Beam Alarm Photoelectric Infrared LED Detector Security System ABE-200
$94.00 Save $55.00 RRP: $149.00
BEM0440-30NB Light Curtain Sensor Switch Safety Light Grating Security Device
$74.00 Save $45.00 RRP: $119.00
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home
$12.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alar
$54.00
2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Ho
$21.95
Smart Siren Alarm 90dB Sound and Light Sensor APP Remote Control Home Security Wireless Alarm for Zigbee Gateway
$64.00 Save $40.00 RRP: $104.00
12V DYP-2HD01 Vibration Sensor for Security Detecting
$11.95 Save $3.00 RRP: $14.95
SONOFF SNZB-04P Zigbee Door and Window Sensor
$20.95 Save $8.00 RRP: $28.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (20 Sets)
$21.95 Save $10.00 RRP: $31.95
Door Sensor Alarms Home Security Anti Theft Burglar Door Window Entry Open Sensor Alarms for Home Apartment
$18.95 Save $6.00 RRP: $24.95
Tuya ZigBee Light Sensor Luminance Sensor Beam Sensor Real-Time Luminance Detection Smart Home Autom
$17.95 Save $13.00 RRP: $30.95
2pcs Magnetic Reed Switch Normally Open Closed Magnetic Contact Switch for Door Wall
$15.95 Save $5.00 RRP: $20.95
10X Infrared Sensor Switch No Contact Contactless Switches Door Release Exit Button with LED Indicat
$79.00 Save $50.00 RRP: $129.00
Tuya WiFi Smart Door Magnetic Sensor App Control USB Wireless Door & Window Sensor Door Magnetic Alarm Detector
$24.95
Garage Door Bracket for Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
$11.95
Tuya Zigbee Temperature Humidity Sensor Smart Life Remote Monitor for Smart Home Workwith Tuya Zigb
$22.95 Save $3.00 RRP: $25.95
Description: This set of magnetic detecting switch monitors the opening and closure of doors and win
$20.95 Save $6.00 RRP: $26.95