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Security System Sensors

Shop the best prices on 8,882 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Hsmy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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737 - 768 of 3,200
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open_
From $20.95
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
From $74.00
Home, Door, and RV Security Window Alarm Set with 130dB Vibration Sensor, 6 Black Units
From $74.00
Infrared -Theft Alarm for Security System A Pair of Black
From $26.95
90db Wireless Security Alarm Door Window Sensor Independent Magnetic Opening Sensor Enhanced Home Sa Edition 0718
From $28.95
For Garage Door Safety Systems 12V/24V AC DC Infrared Photocell Sensor
From $31.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Swit
From $24.95
​Professional DVB-T TV Antenna Finder Digital Aerial Signal Meter Satellite Receiver Tool​
From $29.95
Wired Magnetic Roller Shutter Door Sensor NC Type Pack of 5 for Alarm Systems
From $84.00
Wireless Door Magnetic Detector 433MHz Alarm for Home Hotel Security
From $139.00
Tuya Smart Door Sensor Alarm, WIFI APP Remote Anti-Theft Alert & Opening Reminder
From $18.95
3D Facial Recognition Module with AI Offline Intelligence and Binocular Infrared Technology C
From $42.95
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
From $40.95
Wireless Door Alarm With Remote Windows Open Alarmshome Security Sensor Pool Alarm For Kids Safety Sliding (2 Pack)
From $69.00
Infrared door sensor compatible with security alarm - automatic beam detector 2pcs
From $11.95
2025 Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door
From $17.95
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db Jske
From $39.95
Wireless Door Window Alarm Sensor Home Security Pool Child Anti-Theft 2 Pack-spai
From $139.00
Infrared Sensor Security Alarm Anti-theft Motion -Lecai- Detectors compatible with Home Guard System
From $89.00
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts L Bracket-spai
From $89.00
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors Automation-bgj
From $23.95
2-Pack IR Beam Detectors, 20m Weatherproof Security Sensors for Door/Window Intrusion Alarm Systems-bgj
From $35.95
2 Pack Wireless Door Window Freezer Door Alarm 3/15/30/60 Seconds Adjustable Delay Wireless Open Sensor -New 8-10
From $54.00
6X TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection Multifunction
From $149.00
2026 12V IR Photocell Waterproof Sensor for Gate Door Automatic Barrier
From $22.95
For Magnetic Door Switch Rc33 Nc Recessed Wired Sensor Alarm 10 25-26
From $79.00
Wireless door alarm for home security - 10 pack magnetic sensor with window alarm
From $32.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2 TTLOCK App_aa
From $46.95
1/4 Inch Ring Alarm Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included
From $41.95
Smart Garage Parking Light with Anti-Collision Sensor 300x200mm LED Alarm System
From $89.00
Garage Door Magnetic Curtain Door Sensor with 5m Wired Magnetic Detector for Garage Door Opener Accessories
From $12.95
10 Pack Window Alarm Wireless Door Magnetic Sensor Alarm compatible with Home Security System, Pool Door Alarm
From $31.95