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Security System Sensors

Shop the best prices on 5,265 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Maikaisen, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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2,689 - 2,720 of 3,200
Tuya ZigBee Devices Button Scene Switch Battery Powered Intelligent Linkage Smart Switch Automation Work with Smart Life
From $18.95
Graffiti Zigbee Smart Temperature and Humidity Sensor Smart Home Link Wireless Temperature and Humidity Sensor
From $13.95
DFROBOT 24GHz MmWave C4001 Sensor Human Presence Distance Velocity Detection Sensor 25M UART for Real-Time Monitoring Tracking
From $43.95
Tuya Zigbee Smart Temperature and Humidity Sensor with LED Screen Display CR2032 Battery for Alexa Google Assistant
From $17.95
Smart Door Sensor - WiFi Wireless Window Sensor Real-Time Message Notification Compatible with Alexa Google Assistant
From $24.95
2Sets Overhead Garage Door Contacts Wired Magnetic Switch Alarm Sensor with Armored Wire Leads and A
From $26.95
4 Pcs Tuya WiFi SOS Emergency Button Wireless One Key Call Help Home Elderly Children Security Protection A
From $139.00
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
From $9.95
LD6001C 60GHz MmWave Radar Sensor Passenger Flow Statistics Sensor Module Entranc/Exit Human Presence Sensor Module
From $74.00
Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Sensor Motion Shock Alarm
From $12.95
7m Sliding Garage Door Gate Opener Infrared Beam Reflective P ocell for Electrical Gate P oelectric Switch Gate
From $31.95
Tuya Zigbee Temperature and Humidity Sensor Alarm with LED Display for Seedling Fermentation Animal Breeding UK Plug
From $46.95
Tuya Zigbee Solar Light Sensor Waterproof IP65 Outdoor Brightness Detection Luminance Sensor Easy to Install
From $38.95
Sensor Wireless Connectivity User-Friendly App Smart Wifi Temperature and Humidity Sensor for Home Iot Device
From $9.95
Magnetic Door Contact Sensor for Roller Door Alarm Zinc Alloy Reed Switch Single Pack
From $23.95
Door Window Alarm for Home Security, Pool Door Alert for Kids Safety, Battery Powered (11 Pack)
From $104.00
Door Window Contact Sensor RC33 Recessed Wired Magnetic Reed Switch White 10 Pack Security
From $33.95
Door Contact Sensor for Access Control, Reliable Detection, Single and Double Door Support
From $39.95
Rolling Door Magnetic Contact Garage Door Reed Switch with Easy TwoWire Connection OC55
From $23.95
Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From $44.95
Tuya Intelligent Pressure Sensor for ZigBee Gravity Detection Automation Scene Linkage 400mm
From $36.95
Light Curtain Sensor Switch Safety Light Grating Security Device DC24V(10 Beams BEM104030NB)
From $149.00
Tuya WiFi Intelligent Door Sensors Intelligent Home Linkage Equipment Intelligent Home Devices Wireless Voice View APP View Functions Burglar Alarm Se
From $16.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G
From $25.95
New Tuya Zigbee Solar Light Sensor Waterproof IP65 Outdoor Brightness Detection Luminance Sensor Ea
From $33.95
WiFi Door Window Sensor APP and Voice Control Smart Door Magnetic Alarm Detector for Home Security
From $18.95
BEM0440-30NB Light Curtain Sensor Switch Safety Light Grating Security Device
From $79.00
433MHz Door Magnetic Contact Wireless Sensor Detector Switch for Home Garage Alarm Security
From $16.95
DFROBOT 24GHz MmWave C4001 Sensor Human Presence Distance Velocity Detection Sensor 25M UART for Real-Time Monitoring Tracking
From $40.95
90db Wireless Security Alarm Door Window Sensor Independent Magnetic Opening Sensor Enhanced Home Safety 5Pcs
From $13.95
5-Level Sensitivity Adjustment Window Glass Break Vibration+Magnetic Door Sensor, Requires Alarm Ho
From $34.95
New for 117 25700071 Tattletale Magnetic Switch
From $99.00