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Security System Sensors

Shop the best prices on 3,991 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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801 - 832 of 3,200
2026 Best ZigBee Wireless Door and Window Sensor, Send Alert to Your Smartphone, Compatible with Alexa/Google Home, Zigbee Bridge Required, Batteries
From $64.00
Window Alarm Sensors, Door Alarms for Home Security,120 DB Pool Door Alarm for Kids Safety (8 Pack)
From $94.00
Infrared Beam Sensor For Gates, Doors Window - External Alarm Detector
From $41.95
Tuya Zigbee Vibration Sensor Smart Home Vibrator Door Window Break Burglar Detector Smart Life App Security Protection
From $54.00
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alar
From $54.00
2026 Good!! Door Window Alarm, 90DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home
From $45.95
Home Garden > Home > System Sensors
From $54.00
2026 Good!! Window Alarm Sensors, Door Alarms for Home Security,120 DB Pool Door Alarm for Kids Safety (8 Pack)
From $99.00
2026 Good!! WiFi Smart Door Sensor Window Wireless Compatible with Alexa, Google Home, Home Alarm Send Alert to Your Smartphone, No Hub Required
From $59.00
5X Tuya Zigbee Door & Window Sensor Smart Home Automation Security Protection Smartlife APP Alarm Remote Real-Time Push
From $42.95
Wireless Remote Control Window Door Alarm 130dB Super Loud Kids Safety Alarm Magnetic Sensor Door Ch
From $20.95
Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
From $94.00
Door and window alarm, door/window sensor with 120db alarm, sound up to 500 feet (150M) touch vibration triggers security alarm
From $33.95
Smart Door Magnetic Sensor Anti-Theft Alarm for Door and Window Smart Home Security Detection
From $36.95
Door and Window Alarm, Wireless Door and Window Detectors with Remote Control and Batteries, Anti-Theft Anti-Intruder Magnetic Sensor for Home and Chi
From $32.95
Door and window alarm safety magnetic sensor
From $32.95
4PCS High Decibel Door and Window Alarm, Ultra-thin Vibration Sensor Alarm (Silver)
From $59.00
Glass Break Detectors, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office, Garage, Dorm Room, Or Even RV, White(2 Piece
From $43.95
Wireless Magnetic Sensor Alarm Security Detector
From $36.95
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
From $43.95
Mechanical Tamper Switch Plunger Contact Security Enclosure Alarm Door 3Pcs Normally Closed Metal Housing Screw Mount
From $12.95
Mechanical Tamper Switch Plunger Contact Security Enclosure Alarm Door 3Pcs Normally Closed Metal Housing Screw Mount
From $11.95
FP001 M25 USB/UART Single Lens Round Indicator Light DC3.3V Facial Recognition Module for Security System
From $20.95
Mechanical Tamper Switch Plunger Contact Security Enclosure Alarm Door 3Pcs Normally Closed Metal Housing Screw Mount
From $11.95
Mechanical Tamper Switch Plunger Contact Security Enclosure Alarm Door 3Pcs Normally Closed Metal Housing Screw Mount
From $11.95
WiFi Door Sensor with RealTime Alert, Wireless Magnetic Window Sensor for Home Security
From $27.95
WiFi Vibration Sensor with RealTime Alerts, Sensitivity Wireless Motion Alarm for Door Tamper Detection, 1pc
From $25.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
From $11.95
Smart Magnetic Door Sensor Zigbee Door Sensor for Home Security Wireless Contact Sensor Programmable with Smart Life
From $13.95
Tuya Smart Home ZigBee Temperature and Humidity Sensor Indoor Thermometer Monitor Works for Alexa Google Smart Life
From $11.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $12.95
Triple Beam Alarm Photoelectric Infrared LED Detector Security System ABE 250
From $179.00