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Security System Sensors

Shop the best prices on 14,450 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Blue Zoo, Elrachen, TTMA and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Australia.

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2,817 - 2,848 of 3,200
2025 Latest Model Automatic Leveling Sensor Kit Print Compensation Sensor Hot
From $35.95
1MHz6GHz RF SDR Platform Software Radio Development Module Radio Learning Board with Antennas
From $319.00
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security
From $22.95
WIfi Alarm Wireless Magnetic Door Window Sensor, Window and Door Alarms, Tuya Smart Devices Door Ch
From $22.95
Development Board Starter Kit Basic Learning for R3 Beginner Software Engineer Programming
From $89.00
Security Sensor Detector 130DB Smart Tuya Door Window Vibration Alarm for Warning Burglars Intruder Home Security Alarm
From $21.95
Door sensor, detects open and closed doors or windows, door monitoring, sends alarms for indoor use only
From $20.95
Photoelectric Beam Sensor for Automatic Sliding and Swing Door Safety
From $54.00
2X Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm
From $45.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System Hao
From $42.95
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds Edition 0830
From $25.95
Tuya Matter Thread Door Window Sensor USB Powered Smart Home Wireless Detector Work with HomeKit Alexa Google Home
From $30.95
LD6002C 60G Millimeter Wave Radar Sensor Fmcw Non-Contact Sensor for Fall Detection
From $33.95
Tuya ZIGBEE Wall Emergency Button APP Smart Home Sensor 8x6 ZigBee Intelligent Remote Alarm
From $33.95
Wired Rain Sensor Probe Outdoor 433MHz UV Shell DC5V-24V Operation for Smart Switches
From $38.95
Photoelectric Sensor DC6-36V 300mA ABS Housing E3Z-R61 Security System Sensing Device
From $22.95
Temperature and Humidity Light Sensor, WiFi Connection Voice Control, 2.4Ghz Operating Temperature -10℃-60℃, Indoor Environment Monitoring Device
From $41.95
Door and Window Sensor, Real-time Alert, Easy to Install, Zigbee Wireless Security Device
From $54.00
Door and Window Alarm for Childproofing 10-Piece Set Office Dormitory Security Sensor
From $47.95
Freezer Door Alarm, Wireless Safety Door Window Alarm, 4 Modes with Adjustable Delay 108dB, 2 Pack for Refrigerator Cabinet Doors
From $54.00
Smart Door Sensor, WiFi Connected Mobile Notification, Home Security Anti-Intrusion Detector
From $32.95
Window and Door Security Detector 130dB loud alarm 3 LR44 batteries Shop Warehouse Anti-intrusion Alarm
From $31.95
2026 10W Zinc Alloy Magnetic Reed Switch NC Door Window Contact Sensor for Garage, Warehouse, Shop 100V
From $29.95
25-26 Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
From $33.95
2025 Sensor Infrared Detection Photoelectric Sensing Switch Distance Security Alarm Parts DC5‑24V
From $39.95
Photoelectric Safety Beam Sensor for Automatic Sliding Glass Doors, 10m Detection, 12-24V DC Power Supply, Wired Connection
From $39.95
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 $23.95
Door Open Reminder, Dual Mute Modes, Continuous Alarm Function, Freezer and Refrigerator Equipment Alarm
From $33.95
Burglarproof door sensor, intelligent induction alarm, -10-50℃ operation, home anti-theft alarm system
From $26.95
Smart Door and Window Detector Remote Monitoring and Status Notification Smart Home Linkage Security Alarm
From $43.95
2025 Sonoff Waterproof Ds18b20 Temperature Sensor?home Automation
From $32.95
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm US Plug S202412278299 w
From $79.00