Filters

Security System Sensors

Shop the best prices on 5,157 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.

Filters
1,249 - 1,280 of 3,200
Door Window Alarm Sensor 12V Wired Magnetic Contact Switch for Home Garage Security Aluminum Alloy
From $32.95
Door Window Alarm with 120dB Loud Magnetic Sensor, Easy Install Security for Home Apartment
From $31.95
MC38 Wired Door Window Magnetic Sensor NC NO for Home Security Alarm with Easy DIY Installation
From $19.95
WiFi Door Sensor Alarm 2 Pack, 90dB Smart Door Alert with App Notifications, Works with Alexa and Google Home
From $47.95
WiFi Door Sensor with RealTime Monitoring, Wireless Magnetic Window Contact for Smart Home Security
From $29.95
Tuya Door Magnetic Alarm, Anti-Theft Alarm, WIFI APP Door Magnetic Opening Reminder Remote Alarm
From $14.95
Wireless Window Alarm Sensor with Sensitivity Detection and Indoor Motion Detector for Home Security
From $25.95
Wireless Door Alarm with 2 Remotes, 130dB Loud Magnetic Sensor, 5 Modes Light and Sound for Home
From $31.95
RC36 NC Recessed Door Contact Sensor Magnetic Reed Switch for Metal Doors Alarm Black 5pcs
From $19.95
Wired Magnetic Door Window Sensor Alarm Switch Detector for Home Security System MC31B
From $19.95
Door Sensor Alarm with Sensitivity Detection, Easy Install Window Alarm System for Home Security
From $19.95
1 Pair RC33 Recessed Door Magnetic Sensor Home Security Alarm Flush Mount Contact Switch DC 100V
From $19.95
Door Window Security Alarm 130dB Loud Adjustable Volume 5 Modes Wireless Sensor with Remote Control for Home Safety Kids and Elderly
From $31.95
Wireless Door and Window Alarm Sensor with Loud Alert, Easy Adhesive Mount, Battery Operated
From $19.95
Pack of 5 NC Magnetic Reed Switch Door Window Alarm Contacts for Security Intrusion Detection
From $35.95
Infrared Beam Sensor Outdoor Alarm Weatherproof Single Beam for Home Door and Window Security
From $27.95
1 Pair RC33 Recessed Magnetic Door Alarm Sensor DC 100V Contact Switch for Home Security
From $31.95
WiFi Door Sensor Smart Window Alarm with Instant Alerts and App Control for Home Security Black 1Pack
From $19.95
Smart WiFi Door and Window Sensor 2 Pack, App Control, Instant Alerts, Compatible with Alexa and Google
From $45.95
1 Pair RC33 Recessed Door Magnetic Sensor Home Security Alarm Flush Mount Contact Switch DC 100V
From $19.95
Door Position Sensor SPDT Recessed Magnetic Switch 3/4 Inch for Steel and Wood Doors Brown Set
From $21.95
WiFi Door Sensor with RealTime Monitoring, Wireless Magnetic Window Contact for Smart Home Security
From $27.95
Magnetic Door Window Security Alarm Contact Sensor 2.5 Inch NO/NC Dual Mode White
From $69.00
5 Pairs 100V DC Wired NC Door Window Alarm Sensor Magnetic Contact Switch for Home Security
From $19.95
MC38 Wired Door Window Sensor 330mm Extended Wire Magnetic Switch NC Type Home Security Alarm
From $19.95
2026 Best Tuya ZigBee Light Sensor Brightness Detector with Temperature Humidity Detection Display Smart Home Security Linkage
From $119.00
Garage Door Bracket for Ring Alarm Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
From $10.95
Light Sensor DC 5V 12V USB Wire Night Auto-on Light Sensor Cable for Home Security and Lighting
From $9.95
2X Infrared Installation Contactless Infrared Door Lock No Touch Sensor Exit Button IR Door Release DoorbellSwitch B
From $26.95
Tuya ZigBee Devices Button Scene Switch Battery Powered Intelligent Linkage Smart Switch Automation Work with Smart Life
From $18.95
FP001 Metal Circular Face Recognition Module Supports Palm Vein Recognition for Face Recognition Applications
From $20.95
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Install White
From $11.95