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Security System Sensors

Shop the best prices on 8,637 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Hsmy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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3,169 - 3,200 of 3,200
4X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $54.00
Tuya Zigbee Door and Window Sensor Smart Home Automation Security Protection Smartlife APP Alarm Remote Real-Time Push
From $14.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
From $14.95
AUBESS Tuya Smart WiFi Door Sensor Smart Door Open/Closed Detectors WiFi Window Sensor 25-26
From $64.00
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors 25-26
From $12.95
Intelligent 433MHz Door Magnetic Detector Alarm for Home Security
From $48.95
Refrigerator Freezer Alarm for Door Left Open 60 Second Reminder
From $35.95
433Mhz Wireless Infrared Alarm Detector, Infrared Sensor Probe for Home Security
From $48.95
SONOFF SNZB-04PR2 Zigbee 3.0 Smart Door and Window Sensor Smart Automation Module Requires Zigbee Hub
From $33.95
SONOFF SNZB-04PR2 Zigbee 3.0 Smart Door and Window Sensor Smart Automation Module Requires Zigbee Hub
From $22.95
SONOFF SNZB-04PR2 Zigbee 3.0 Smart Door and Window Sensor Smart Automation Module Requires Zigbee Hub
From $31.95
Smart Vibration Sensor with Adjustable Sensitivity, Compatible with Tuya Motion and Vibration Detector
From $31.95
Home Security Wireless Door Open Sensor Alarm 280M Range
From $64.00
ES32 Model 32 Channel PIR Sensor Stair Light Controller for Easy Installation
From $139.00
Portable 12V Gas Sensor Alarm for LPG Propane Butane in Campervans Motorhomes
From $37.95
Vibration Sensor 1Pcs Sw420 Motion Module for Alarm Detection Use
From $12.95
6pcs Household Door Window Alarm Wireless Alarm Compact Alarm with Door Magnets
From $37.95
Door Alarm for Refrigerators | Adjustable Voice Alerts, Closing Reminder, Open State Warning, Home and Business Use
From $21.95
Infrared Detector Sensor for Automated Gates and Doors / Safety Sensor for Swing, Sliding, and Garage Gates
From $21.95
8pcs Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device f54 Edition 0827
From $33.95
Zigbee Temperature Sensor with APP Monitoring, Waterproof Design for Smart Home Use, 1 Meter Range
From $25.95
Infrared Sensor Switch No Contact Contactless Switches Door Release Exit Button with LED Indication
From $20.95
Wired Water Sensor Warehouse Machine Room Home Security Alarm Nc/no Output Relay Options Water Leak Detector Liquid
From $159.00
Leakage Detection Tool Detector Basement Detection Earphone Water Alarm Water Leak Alarm Water Leak Detector For Indoor Room
From $279.00
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
From $74.00
SONOFF DW2 Wifi Wireless Door Window Sensor Open/Closed Detectors e-WeLink APP
From $24.95
Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Off
From $47.95
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type)
From $33.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db hwy
From $49.95
Personal Safety Alarm, 140dB Loud Alert System, Compact and Reliable Security Device for Everyday Use
From $47.95
Vehicle Reverse Parking Alert System Sensor Detector
From $74.00
Wireless Door and Window Alarm - 4 Pack Magnetic Security Sensor for Home Anti-Theft Protection - 100 dB Loud Alarm
From $26.95