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Security System Sensors

Shop the best prices on 12,146 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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2,977 - 3,008 of 3,200
Door Sensor Door Alarm for Kids Safety with 3Pairs for Home Security
From $119.00
Door And Window Security Alarms Wireless Magnetic Sensors Suitable For Home Apartment Family Protective And Child Safety
From $69.00
Accessories section featuring burglar alarm remotes, wireless remotes, vibration alarms, and other accessories (03C, 09C, 11C, etc.).31R Bow Accessori
From $59.00
1 Pair Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrar szshsy973
From $19.95
Door Single Beam Infrared Beam Alarm Waterproof High Sensitivity Infrared Beam Sensors for Schools Homes Black 2025
From $29.95
Pack freezer door alarm, window security alarm, 3/15/30/60 seconds, 4 in 1 door sensor [MI]
From $41.95
SONOFF SNZB-04P ZigBee Wireless Door and Window Sensor, Door Opening Detector, Wireless Home Alarm, Compatible with Alexa/Google Home, SONOFF Zigbee H
From $109.00
Microwave Radar Perimeter Alarm System for Camping, Wireless Early Warning Security, IPX7 Waterproof, Adjustable Vibration Buzzer, 5.8GHz, 50-100m
From $84.00
10 PCS Embedded Normally Closed Door Magnetic Sensor Switch, 18mm, DC0-24V, for Wooden and Aluminum Doors
From $11.95
Embedded Normally Closed Door Magnetic Sensor Switch, 18mm Action Distance, DC0-24V, 80mA, 10 Pack
From $7.95
Wireless Door and Window Alarm, 4 Pack, 100 dB Loud Siren, Magnetic Sensor, Easy Stick On, Home Security for Doors, Windows, Balconies, Kids Rooms
From $11.95
2025 Door Window Magnetic Contact Alarm Security System Dark Brown
From $14.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $30.95
10 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System,When Sensor Together,Normally Closed Nc
From $21.95
220V Power Failure Alarm with 120dB Siren and LED Indicator for Home and Industrial Use
From $32.95
Infrared Motion Detector for Gates and Garage Doors Security Sensor Beams Barrier Photocell
From $69.00
LQ-WS1 Tuya Smart Home Indoor Wireless Control Temperature And Humidity Sensor
From $64.00
Robust Burglar Alarm for Doors & Windows Magnetic Alarm Sensor Plastic for Iron Gate & Doors Protect Your Premises Multicolor
From $59.00
Replacement 4013251 Brake Sensor compatible with Polaris - Real Time Monitoring
From $169.00
5pcs Magnetic Window Alarm Sensor Door Contacts Magnetic Door Sensor Smart Door Sensor
From $329.00
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
From $84.00
100m Alarm Dual Beam Photoelectric Infrared Detector ABT-100(Black)
From $84.00
10-Pack Wireless Window and Door Magnetic Sensor Alarms for UK Home Security Systems
From $79.00
ZDS16 Smart Home Security Zigbee Door Window Magnetic Sensor APP Notification Alarm Device
From $43.95
Graffiti Zigbee Smart Temperature and Humidity Sensor Smart Home Link Wireless Temperature and Humidity Sensor
From $18.95
Single Beam Photo Detector Ir Sensor, Egg S Photo Ir Detector, Active Ir Sensor Alarm For Home Door (2 Pack) -YoGu
From $54.00
Tuya Zigbee Smart Fingerbot Plus: Remote Control, Timer, Voice, DIY Switch Button Pusher for Smart Life App
From $74.00
Door And Window Alarm, Wireless Door And Window Detectors
From $59.00
Wired NC Door Contact Sensor Alarm 10pcs for Door Window Cabinets Surface Mount
From $69.00
Door alarm with powerful 130 dB siren, wireless magnetic alarm for doors, windows, and cabinets
From $99.00
4PCS Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Home Security System
From $74.00
2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
From $64.00