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Security System Sensors

Shop the best prices on 8,879 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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2,209 - 2,240 of 3,200
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
7m Sliding Garage Door Gate Opener Infrared Beam Reflective Photocell compatible withElectrical Gate Photoelectric Switch Gate
From $38.95
Door Window Sensor Detector Wireless Open Contact Sensor WiFi APP Timer Magnet Back Adhesive Sharing Security Sensor Alarm for ZigBee for Tuya
From $8.95
433MHz Door Magnetic Contact Switch Wireless Sensor Detector Switch for Home Garage Alarm Security
From $32.95
Zigbee 3.0 Light Sensor T1 for Home Automation Brightness Control
From $47.95
Easily Installed For zigbee Temperature and Humidity Sensor for Homes
From $18.95
10pcs Wired Magnetic Door Window Sensor for Home Alarm System
From $20.95
Mailbox Alert Sensor, Real-Time Updates, Secure Home Monitoring, Easy Installation
From $44.95
25-26 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless
From $84.00
SNZB-04P Zigbee Door and Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Home
From $30.95
Banban Glass Break Detector Window Alarm, 125 dB Glass Vibration Sensor for Home Security, 2 Pack
From $34.95
12/24v Photocell Sensor Beam For Sliding Gate Opener Infrared Safety Photo Cell
From $22.95