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Security System Sensors

Shop the best prices on 11,131 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1,089 - 1,120 of 3,200
Door and window alarm, Wireless door and window detector with remote control and battery, Anti-theft magnetic sensor ZENGO
From $109.00
Graffiti ZigBee Smart Door Sensor - Living Room Wireless Battery Powered Door and Window Opener Detector - Remote Control - Office Security Alarm
From $41.95
SONOFF DW2 WiFi Door/Window Sensor Wireless Open/Close Detector Home Security Alarm Sensor
From $28.95
Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Sensor Motion Shock Alarm unbrand
From $18.95
Garage Door Safety Sensor for Linear Garage Doors HAE00002 LSO50
From $25.95
2Pcs Tuya Smart Temperature Humidity Sensor Zigbee
From $29.95
Tuya WiFi Temperatures Humidity Sensor with External Probe Wireless Temperatures App Monitor for Freezer Fish Tank unbrand
From $25.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
From $38.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
From $30.95
Door Sensor White for Home Use 1Pair Safety Alarm
From $54.00
2X Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From $129.00
4X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $79.00
3X Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered with Tuya Smart Life App Alexa(C)
From $54.00
2X Tuya ZigBee SOS Button Sensor Alarm Wireless Emergency Help Switch Alarm Tuya Smart Life Remote Control
From $37.95
Smart Magnetic Door Sensor Zigbee Door Sensor for Home Security Wireless Contact Sensor Programmable with Smart Life unbrand
From $17.95
79GHz Radar Vehicle Detector
From $109.00
2026 8pcs New Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device f54
From $59.00
PB-69W WIFI Smart Wireless Magnetic Door and Window Sensor
From $41.95
Wireless 120dB Door Magnetic Alarm
From $74.00
100dB Wireless Door Window Alarm
From $31.95
Magnetic Entry Point Alarm 100dB
From $31.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless 25-26s
From $159.00
Human Presence Sensor Millimeter Wave Radar Detection Built-in Illuminance Sensor
From $69.00
2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
From $59.00
NC Recessed Aluminum Door Magnetic Switch
From $74.00
Zigbee Temp Humidity Sensor with 90DB Siren
From $69.00
Tuya Zigbee Smart Light Sensor Illuminance Brightness Detection Home Lighting Automation ZigBee Intelligent Remote Alarm
From $31.95
2pcs Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
From $32.95
5pair for IR Break Beam Sensor LEDs Counting Module Split Distance Sensor Infrared Beam Sensor LED Counting Module
From $17.95
Wireless Waterproof SOS Emergency Alarm Button for Help
From $74.00
Monitor Open/Closed Status Instantly with Smart WiFi Door & Window Magnetic Sensor for Home Security Alerts
From $20.95
Smart Door and Window Sensor for Home Security System Contact Alarm Switch Handle Detector
From $41.95