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Security System Sensors

Shop the best prices on 14,807 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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33 - 64 of 3,200
2026 SNZB-04P Zigbee Door Window Sensor Door Open/Close Detector for EWeLink App ZBBridge Required Work with Alexa Google Home
From $25.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets) 26-27s
From $9.95
26-27 Aubess WiFi Smart Temperature Humidity Sensor Detector Indoor Thermometer
From $149.00
25-26 Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
From $33.95
1-10x Tuya Zigbee Door And Window Magnetic Sensor Wireless Connection Smart Home Wireless Door Detectors Door Magnetic Automation
From $24.95
2025 10m to 15m Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
From $32.95
Mailbox Alarm Mail Chime Notification System-Mail Alarm 800 Ft Long Range Wireless Mailbox Alert with LED Light Flashing Edition C
From $89.00
4 in 1 Function Door Magnetic Sensor Alarm LED Smart Wireless Door Window Alarm for File Cabinet
From $22.95
Passive Infrared Detector Human Body Induction Sensing Wired Outdoor Waterproof Adjustable Sensitivity
From $64.00
For Gates Doors Windows External Positioning Alarm Detector Single Beam Infrared Radiation Sensor Barrier Against Hacking System
From $29.95
Tuya ZigBee Light Sensor Luminance Sensor Beam Sensor Real-Time Luminance Detection Smart Home Automation App Control
From $54.00
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home
From $30.95
Surface Mount Wired NC Door Contact Sensor Alarm - For Door, Window, Cabinets, 10pcs
From $15.95
Door Sensor, Wireless Smart Door Window Alarm, Wireless Security Alarm
From $104.00
10pcs Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets
From $18.95
Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security
From $74.00
10PCS SW420 Vibration Sensor Module Normally Closed Switch for Motion Detection
From $41.95
2X Mini Tuya WIFI Elderly SOS Button Waterproof Emergency Panic Sensor Alert Push To Mobile Home Automation Security CS fast
From $139.00
Air Quality Monitoring Sensor Development Board Carbon Dioxide CO2 eCO2 TVOC
From $30.95
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
From $31.95
BERM Proximity Switch Cylindrical Shaped 3‑Wire NO Detection Sensor PRL18‑5DN 10‑30VDC
From $23.95
Overcurrent Protection Sensor Module AC Current Detection 24V Relay 5A 20Hz~400Hz
From $14.95
BERM Approach Switch Sensor Cylindrical 2‑Wire Power Control Equipment 90‑250VAC
From $19.95
UTP 4 Channel Passive Video Balun Transceiver Metal 4 Channel Video Balun Receiver for CVI AHD Cameras CCTV
From $36.95
For Tuya Matter Thread Door Window Sensor
From $84.00
Smart WiFi Thermometer with Freezer Alert for Home Temperature Monitoring
From $64.00
5-38 wired door and window sensor magnetic switches
From $47.95
2025 433mhz Door Window Alarm Sensor
From $64.00
Suitable for Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection
From $33.95
Security Window Door Alarm DIY Home Protection Burglar Alert Sensor
From $19.95
Tuya Smart Wifi SOS Button Wireless Security Alarm Panic Device Emergency compatible Elderly Kids compatible Safety Smart Life Rem CS fast
From $89.00
Light sensor for burglar alarm - infrared beam detector
From $64.00