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Security System Sensors

Shop the best prices on 14,272 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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225 - 256 of 3,200
Infrared Beam Sensor Kit with Automatic Stop Safety for Outdoor Gates Garage Doors and Security Systems
From $94.00
WiFi Door Sensor with RealTime Alert, Wireless Magnetic Window Sensor for Home Security
From $47.95
Door and Window Alarm Sensor Magnetic Easy Install for Home Office Security Child Safety
From $36.95
Door Alarm Sensor with Sensitivity for Home Security, Easy Surface Mount Window and Door Alarm
From $36.95
Wireless Magnetic Door Window Alarm Sensor for Home Security with Easy DIY Installation
From $42.95
2Pack Wired Recessed Magnetic Contact Sensors for Doors and Windows, Accurate Entry Detection
From $36.95
Smart Vibration Sensor 4Pack, Wireless Glass Break Detector, WiFi Door Window Alarm with App, Tuya Compatible
From $104.00
Smart Door Window Sensor for Home Security, Tuya Compatible with RealTime SMS Alerts and Voice Control
From $47.95
RC36 Wired Magnetic Door Sensor Alarm Detector for Home Gate Security System NC
From $36.95
Door Window Security Alarm 130dB Loud Adjustable Volume 5 Modes Wireless Sensor with Remote Control for Home Safety Kids and Elderly
From $54.00
WiFi Door Sensor Smart Window Alarm with Instant Alerts and App Control for Home Security Black 1Pack
From $36.95
DC1224V Infrared Gate Sensor Outdoor Waterproof Photocell Beam Detector for Automatic Garage Door
From $45.95
Magnetic Reed Switch NC Garage Door Sensor Silver Gray MC52 for Reliable Position Detection
From $39.95
5 Pairs Wired Door Window Alarm Sensor with Magnetic Contact Switch for Home Security
From $54.00
MC38 Wired Door Window Magnetic Sensor NC NO for Home Security Alarm with Easy DIY Installation
From $36.95
Smart WiFi Door and Window Sensor 2 Pack, App Control, Instant Alerts, Compatible with Alexa and Google
From $74.00
MC38 Wired Door Window Magnetic Sensor, Normally Closed Alarm Switch, 100V DC Security Contact
From $64.00
Infrared Beam Sensor Outdoor Alarm Weatherproof Single Beam for Home Door and Window Security
From $47.95
2025 Itead SONOFF DW2 WiFi Smart Door Window Sensor Door Open/Closed Detectors
From $279.00
Door Window Alarm 4 Pack, 120dB Loud Alert for Home Security, Battery Included, Kids Safety Sensor
From $74.00
Outdoor Perimeter Security Sensor with Dual Curtain Motion Detector and PetTolerant Detection
From $199.00
Invisible Beam Barrier Active Detection Digital Pulse Infrared Sensor 100m IR Alarm
From $79.00
Smart Door Sensor Wireless Alarm Compatible with Tuya Smart Life App Control for Alexa Home Security
From $39.95
Wireless Door Window Alarm 10 Pack, Instant Intrusion Alert for Home Safety and Security
From $79.00
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 100m/328.1ft
From $74.00
Tuya Zigbee Smart Door Sensor Door Security Burglar Door Sensor Home Burglar Alarm Security APP
From $39.95
2025 Wireless Door Window Sensor for Smart Home Security, Entry Detector with Alarm, Magnetic Contact Switch for Doors and Windows
From $44.95
CoRui Tuya Smart ZigBee Door Window Sensor Smart Home APP Remote Alarm Portable GPS Tracker Key Finder Tr-Und Fenstersensoren
From $23.95
2025 Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
From $12.95
2025 Power outage alarm for garage 220v with loud sound Lianshi P20211224875
From $15.95
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
From $54.00
12V DYP-2HD01 Vibration Sensor for Security Detecting, Car Anti-Theft System, etc
From $34.95