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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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1,697 - 1,728 of 3,569
Triple Beam Alarm Photoelectric Infrared LED Detector Security System ABE-100
$94.00 Save $55.00 RRP: $149.00
2X Tuya ZigBee Light Sensor Luminance Sensor Beam Sensor Real-Time Luminance Detection Smart Home Automation App Control
$33.95 Save $20.05 RRP: $54.00
Wireless Door Window Contact Sensor Alarm - Door Alarm Window Alarm
$21.95 Save $18.00 RRP: $39.95
2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Ho
$19.95
Garage Door Bracket for Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
$15.95 Save $3.00 RRP: $18.95
10 Sets Magnetic Reed Switch DC100V NC Recessed Wired Door Window Contact Sensor Switch for Alarm System Brown MR‑33
$45.95 Save $18.05 RRP: $64.00
Compact Singal Radiation Beam Door Window Infrared Detector Alarm for Home Security
$24.95 Save $7.00 RRP: $31.95
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
$23.95 Save $7.00 RRP: $30.95
Infrared Beam Sensor Outdoor Waterproof Single Beam Infrared Beam Alarm for Security System Factory Warehouse
$26.95 Save $8.00 RRP: $34.95
Light Curtain Sensor Switch Safety Light Grating Security Device(6 Beams BEM0640-C-200NB)
$104.00 Save $35.00 RRP: $139.00
433MHz Door Magnetic Contact Wireless Sensor Detector Switch for Home Garage Alarm Security
$20.95 Save $6.00 RRP: $26.95
Safety Light Curtain Sensor 50m Range Anti Theft Light Grating Sensor Security Device AC1218V DC1224V
$104.00 Save $35.00 RRP: $139.00
Door Sensor Alarms Home Security Anti Theft Burglar Door Window Entry Open Sensor Alarms for Home Apartment
$17.95 Save $5.00 RRP: $22.95
Wifi Doorbell With Magnetic Triggered Sensor For Window And Door Security 8.20X4.20X1.60cm White 1Set
$20.95 Save $9.00 RRP: $29.95
Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accesso
$11.95 Save $2.00 RRP: $13.95
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Home
$14.95 Save $1.00 RRP: $15.95
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket
$13.95 Save $30.00 RRP: $43.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection Sensor
$12.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alar
$49.95 Save $44.05 RRP: $94.00
Tuya Zigbee Door and Window Sensor Smart Home Automation Security Protection Smartlife APP Alarm Re
$13.95
Angus Aw201 Wifi Door Window Sensor Tuya Smart Home Independent Wireless Security Alarm
$51.95
Tuya ZigBee Smart Vibration Sensor Wireless Glass Break/Drop/Tilt Detector Built-in Smart Siren Ala
$29.95 Save $7.00 RRP: $36.95
Recessed Wired Door Window Sensor - Magnetic Switch for Security, Easy Install, 10 Pack
$51.95
Safety Light Curtain Sensor 50m Range Anti Theft Light Grating Sensor Security Device AC12‑18V DC12‑
$104.00 Save $35.00 RRP: $139.00
Light Sensor T1 Brightness Sensor Smart Home Lighting Change Controlled for Home
$0.95
Door Magnetic Sensor Wireless Window Open Detector Electronic AntiTheft Burglary Device
$18.95 Save $9.00 RRP: $27.95
Freezer Door Alarm Compact Voice Alert Door Sensor For Home, Office, School, And Rooms With Windows
$32.95 Save $17.00 RRP: $49.95
Freezer Door Alarm With Door Opener Sensor And Voice Alert Compact Sensor For Window And Room Home Or Office
$28.95 Save $14.00 RRP: $42.95
Refrigerator Door Alarm And Freezer Alarm | Compact Sensor With Voice Alert For Home, Office, School, Windowed Rooms
$32.95 Save $17.00 RRP: $49.95
Wireless Window Alarm Sensor - 2-Pack, 4 Modes For Doors, Windows, Refrigerators, Cabinets
$26.95 Save $13.00 RRP: $39.95
Lot de 2 capteurs infrarouges à faisceau unique, protection IP55, capteur photoélectrique infrarouge automatique, alarme pour ouvre-porte
$23.95 Save $8.00 RRP: $31.95
Light Sensor DC 5V 12V USB Wire Night Auto-on Light Sensor Cable for Home Security and Lighting
$9.95