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Security System Sensors

Shop the best prices on 11,432 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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929 - 960 of 3,200
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless p
From $35.95
2025 Wireless White Door Window Alarm, 130DB High Sensitive Sensor Door Alarms
From $9.95
2025 Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
From $19.95
2025 Aubess Tuya Zigbee Door And Window Magnetic Sensor Wireless Connection Smart Home
From $139.00
2025 White Wireless Contact Sensor WiFi Smart Door Window Sensor Real Time Alarm for Home Security
From $15.95
3-Pack Tuya Wifi Temperature Humidity Sensor for Indoor, Smart Home Monitoring System
From $109.00
Anti-Glare 2-Pack Infrared Detector Alarm ABT-100, Perimeter Alarm Rated Up to 50000LUX
From $74.00
Wireless Door Window Alarm - 120dB Anti Theft Sensor for Home
From $15.95
Contact Sensors Holder for Garage Door Use, White ABS Clip-Lock Mount with Adjustable Base and Home Monitoring Positioning Support for Indoor
From $29.95
DC12-24V Infrared Photocell Automatic Beam Sensor for Garage Door Shutter Obstacle Detector Alarm 1 Pair Transmitter and Receiver
From $15.95
Freezer Door Alarm When Left Open,fridge Door Alarm With Delay Upgrade 3/15/30/60 Seconds Security, Adjustable Delay Wireless Fridge Alarm Door Open C
From $74.00
Zigbee Outdoor Wireless Rain Sensor for Smart Home Weather Detection
From $27.95
Light Sensor DC 5V 12V USB Wire Night Auto-on Light Sensor Cable suitable for Home Security and Lighting
From $25.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home
From $26.95
Wireless Door Window Alarm - 120dB Anti Theft Sensor for Home
From $12.95
100m Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security, Black
From $64.00
Compact Weatherproof 20m Security Detectors for Home
From $30.95
E3Z-R61 NPN Photoelectric Beam Sensor with Bracket
From $23.95
Door Window Sensor Quick Response Data Storage Voice Operation Red LED Door Alarm
From $27.95
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
From $119.00
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector, Alexa
From $20.95
3X Tuya Wifi Magnetic Door Window Sensor Burglar Security Entry Sensor Smart Life App Remote Control Alarm
From $59.00
Chime Mail Notification System Mailbox Alarm 800 Ft Long Range Wireless Mailbox Alert with Flashing LED Light Edition 1129
From $64.00
Wireless Home Alarm Kit,WiFi Door Window Sensor,Smart Door,Phone Notification,Work with Smart Life app
From $39.95
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
From $44.95
Tuya WiFi Temperature Humidity Sensor with External Probe for Freezer Fish Tank Wireless App Monitor
From $26.95
Wireless Fridge Alarm - 4-in-1 Door Sensor Chime - Adjustable Delay - Freezer Door Alarm
From $25.95
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Security Alarm With Music Melody
From $25.95
NEW Tuya Door Sensor Wifi Window Shatter Sensor Door Window Magnetic/shock Detector
From $32.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
From $32.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
From $21.95
CoRui TUYA Bluetooth Cubetouch Smart Fingerbot, Remote Control Switch Pusher for Automation
From $74.00