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Security System Sensors

Shop the best prices on 12,136 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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1,761 - 1,792 of 3,200
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC Magnetic Switch Easy to Install
From $21.95
DC12‑24V Infrared Safety Light Curtain Sensor 100m Dual‑Beam Security Fence Detector UV‑Proof Outdoor Housing
From $179.00
Solar Motion Sensor Alarm Loud Noise Maker & Strobe Lights Deer/Bear Deterrent,Chicken Coop Security,Pool Safety Alerts
From $59.00
new Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds
From $42.95
Tuya Finger Robot Switch Smart Home Bluetooth Mechanical Arms Bot Button
From $149.00
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
Wireless Door Window Alarm - 120dB Anti Theft Sensor for Home
From $23.95
5-Level Sensitivity Adjustment Window Glass Break Vibration+Magnetic Door Sensor, Requires Alarm Host to Operate
From $43.95
Anti-Thief Wireless Door Alarm, Abnormal Door Opening Immediate Alert for Home Security, White, 2 Pack ky
From $37.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
From $74.00
130dB Magnetic Door Alarm Compact
From $54.00
All-Weather Active IR Security Beam Pair
From $64.00
Self-Adhesive Wireless Magnetic Sensor Burglar Door Window Entry Alarm 90 Db 25-26s
From $129.00
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
From $39.95
Microwave Radar Perimeter Alarm System, Outdoor Camping Early Warning, 5.8GHz, IPX7 Waterproof, 50-100m Wireless, Adjustable Alarm, Connect 10 Radars
From $84.00
12-24V Waterproof IP65 Photocell Automatic Gate Door Safety Warning Infrared Beam Sensor Photocell 20m Detect Range
From $22.95
Instant Mail Arrival Sensor
From $49.95
12V Outdoor Beam Door Detector
From $54.00
Light-Sensing Fake TV With Realistic Motion
From $46.95
Compact Home Window Alarm Sensor
From $109.00
Battery-Powered Window Contact Sensor
From $109.00
130dB Magnetic Door Window Alarm
From $109.00
Weatherproof 12V IR Gate Sensor
From $54.00
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage
From $18.95
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustme Edition 1210
From $59.00
Automatic Door Sensing Compact for Swing Door Anti Theft Alarm Sliding Door
From $48.95
Wireless Door Open Sensor Alarm Chime, Adjustable Volume With Mute Indicators
From $39.95
6X Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered Security with Tuya Sm
From $94.00
MC33C Magnetic Door Window Contact Sensor, Normally Closed Recessed Alarm Reed Switch (6 Sets)
From $37.95
Power Failure Alarm AC 220V with LED Indicator, 120dB Loud Siren, Automatic Outage Detection CN Plug
From $32.95
Magnetic Reed Switch Door Window Security Sensor NO NC Dual Wiring Low Voltage 2 Sets
From $32.95
Pet Immune PIR Motion Sensor with Dual Infrared Detection, Wired Indoor Detector for Home Alarm System
From $59.00