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Security System Sensors

Shop the best prices on 11,178 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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417 - 448 of 3,200
Smart Door Window Sensor for Home Security, Tuya Compatible with RealTime SMS Alerts and Voice Control
From $27.95
Security Sensor Detector 130DB Smart Tuya Door Window Vibration Alarm for Warning Burglars Intruder Home Security Alarm
From $18.95
Photoelectric Beam Sensor for Automatic Sliding and Swing Door Safety
From $47.95
2X Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm
From $40.95
Professional Grade Wild Boar Repellent with Anti-Theft Alarm, Animal Deterrent Device
From $37.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System Hao
From $37.95
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds Edition 0830
From $22.95
Tuya Zigbee Smart Door & Window Sensor with Alarm Function for Home Security & Automation
From $48.95
2x Tuya Smart WiFi Door Sensor Window Sensor Door Magnetic Alarm Detector 26-27s
From $33.95
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm US Plug S202412278299 w
From $69.00
Tuya Zigbee Temperature Humidity Sensor Smart Home Indoor Thermometer Hygrometer APP Remote Monitor Works with Alexa Google
From $33.95
6pcs Recessed Tinplate Door Window Contact Sensor Wired Security Magnetic Reed Switch,magnet Close-connect Circuit,magnet Far-disconnect Circuit
From $40.95
Mc-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.c Type
From $12.95
2026 10W Zinc Alloy Magnetic Reed Switch NC Door Window Contact Sensor for Garage, Warehouse, Shop 100V
From $26.95
2025 Sensor Infrared Detection Photoelectric Sensing Switch Distance Security Alarm Parts DC5‑24V
From $35.95
25-26 Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
From $29.95
10 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System,When Sensor Together,Normally Closed Nc
From $16.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
From $18.95
Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Sensor Motion Shock Alarm
From $15.95
2X E3Z-R61 NPN Photoelectric Beam Sensor with Bracket Mirror Reflection Photoelectric Switch Sensor 2m Range
From $18.95
4X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $59.00
2X Tuya ZigBee Temperature Humidity Sensor Smart Home Temperature Sensors Works with Alexa Google Assistant Smart Life
From $22.95
6X Call Button Restaurant Pager 433MHz Wireless Doorbell Bell Button for Home Security Alarm System Hardware Red
From $26.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $12.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $17.95
3 Pack Perimeter Trip Alarm, 12 Gauge Camping Trip Wire Device,Early Warning Security System compatible Camping/Bear Deterrent
From $104.00
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
From $24.95
2X Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From $89.00
Wifi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm Eu Plug
From $109.00
w Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless
From $189.00
Door And Window Anti-Theft Alarms, Door Sensors (For Export)
From $139.00
4PCS Tuya ZigBee Smart Vibration Sensor: Real-Time Monitoring for Doors & Windows, Alarm System for Smart Homes
From $79.00