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Security System Sensors

Shop the best prices on 5,638 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Maikaisen and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1 - 32 of 3,200
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
From $17.95
Guard Tour System Patrol Point 50pcs 125KHZ RFID IC Tag Token, 30mm Waterproof NFC Checkpoint with Adhesive Backing
From $28.95
M218E Automatic Door Sensor with 10M Secure Beam Detection and Relay Output for Sliding Doors
From $59.00
DFROBOT 24GHz MmWave C4001 Sensor Human Presence Distance Velocity Detection Sensor 25M UART for Real-Time Monitoring Tracking
From $31.95
Single Channel Inductive Loop Vehicle Detector for Parking Lot Access Control
From $31.95
4X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $54.00
Chuango 315mhz Dwc-102 Door Window Alarm Sensor Wireless Automation Home Intrusion Detector
From $47.95
Security Window & Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4G , Not 5G, Burglar Alarm for Kids Safety Home Security,4 Pack, FJ122-H
From $99.00
Smart WiFi Door and Window Alarm Sensor with Open/Close Detection Function, Remote Anti-Theft Alarm
From $19.95
FP001 M25 USB/UART Single Lens Round Indicator Light DC3.3V Facial Recognition Module for Security System
From $27.95
90db Wireless Security Alarm Door Window Sensor Independent Magnetic Opening Sensor Enhanced Home Safety 10Pcs
From $19.95
TPMS Motorcycle Tire Pressure Monitoring System with 2 External Sensors Smart Tyre Alarm Kit Universal
From $36.95
Tuya APP Temperature Sensor Seedling Fermentation Animal Breeding Zigbee Temperature Detection Alarm
From $35.95
Zigbee Wired Magnetic Sensor with Lead for Door/Window Opening/Closing Detection Security Alarm Linkage Sensing Device
From $23.95
Zigbee Wired Magnetic Sensor with Lead for Door/Window Opening/Closing Detection Security Alarm Linkage Sensing Device
From $23.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
From $19.95
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Aqara Gateway Mi Home HomeKit
From $109.00
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
From $16.95
2 Sets Magnetic Reed Switch DC12 to 24V NC Wired Door Window Sensor for Home Security Anti Theft Ala
From $24.95
Home Window Door Burglar Security Alarm System Magnetic Sensor
From $17.95
2 Pack Freezer Door Alarm - Wireless Fridge Alarm with 3/15/30/60 Seconds Delay, 4 in 1 Door Sensor
From $89.00
Wireless Garage Door Sensor 433MHz Magnetic Contact for Roller Shutter Gate Alarm System
From $33.95
Wired Metal Door Magnetic Contact Sensor Detector Garage Warehouse Security Magnetic Switch Alarm Electromagnetic Contact Type Wired Sensor Detector S
From $33.95
Garage Door Bracket for Ring Alarm Contact Sensor 2nd Gen, Compatible for Ring Accessory (1Pack, Sensor Not Included)
From $9.95
Magnetic Door Sensor 868.4mhz Eu Window Sensor Z-wave Plus Contact Sensor Smart Home
From $49.95
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart Life APP Length 40cm
From $47.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $14.95
Wired Mount Magnetic Contact Sensor for Roller Shutter Doors Anti-Theft Switch NO/NC Compatible for Home Use
From $30.95
2X Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From $89.00
WiFi Door Window Sensor APP and Voice Control Smart Door Magnetic Alarm Detector for Home Security
From $18.95
3X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $40.95
2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $28.95