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Security System Sensors

Shop the best prices on 14,347 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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513 - 544 of 3,200
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
From $24.95
Refrigerator Door Alarm Open Alarm with Adjustable Voice Notifications Window Sensor, Voice Warning Door Lock Reminder for Garage Cellar
From $41.95
Tuya Wifi Door Window Sensor Smart Anti-Theft Alarm Real-Time Alerts App Control Smart Home Security
From $28.95
Wired Rain Sensor Probe Outdoor 433MHz UV Shell DC5V-24V Operation for Smart Switches
From $37.95
Photoelectric Sensor DC6-36V 300mA ABS Housing E3Z-R61 Security System Sensing Device
From $21.95
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 $32.95
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
Tuya Intelligent Pressure Sensor for ZigBee Detection Automation Scene Linkage 400mm
From $41.95
Tuya Smart Bluetooth Finger Robot Warp Switch Button Life App Voice Control Via , Assistant
From $35.95
Wireless Security Alarm, Door Window Sensor, 90db, 5Pcs
From $13.95
Light Sensor DC 5V 12V USB Wire Night Auto-on Light Sensor Cable for Home Security and Lighting
From $10.95
Light Sensor DC 5V 12V USB Wire Day Auto-on Light Sensor Cable for Home Security and Lighting
From $10.95
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm US Plug S202412278299 w
From $79.00
Smart WiFi Door and Window Alarm Sensor with Open/Close Detection Function, Remote Anti-Theft Alarm
From $20.95
6pcs Recessed Tinplate Door Window Contact Sensor Wired Security Magnetic Reed Switch,magnet Close-connect Circuit,magnet Far-disconnect Circuit
From $45.95
Mc-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.c Type
From $14.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $19.95
3 Pack Perimeter Trip Alarm, 12 Gauge Camping Trip Wire Device,Early Warning Security System compatible Camping/Bear Deterrent
From $119.00
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
From $27.95