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Security System Sensors

Shop the best prices on 8,884 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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1,825 - 1,856 of 3,200
8PCS Foot Sensing Strip Sensor Game Console Hand Bar Dance Machine Hand Dance Foot Switch Dance Machine Sensor Strip
From $48.95
12V PC CPU Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm Blue
From $17.95
Professional Anti-Wild Boar Alarm with ZUAN Brand Theft Deterrent
From $25.95
Lianshi Power Failure Alarm Power Off Alarm 220v Power Off Alarm
From $29.95
Window Alarm, 4pcs 130DB Loud Vibrating Door and Window Sensors with LED Indicator, Home Office Security Alarm
From $26.95
Tuya Smart Home ZigBee Temperature and Humidity Sensor Indoor Thermometer Monitor
From $9.95
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home
From $38.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
From $22.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (
From $16.95
Security Tag Detacher Magnetic Hard Type for Retail Clothing Stores
From $30.95
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector For Home Security 2025 2025
From $35.95
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Alarm With Music 2025
From $40.95
Wireless Door Sensor with Smart Motion Detection, 30 Custom Voice Prompts, Magnetic Install for Home, or Healthcare Use, White 1500mAh
From $27.95
RH-PD6-I 4.3 inch HD Screen Motion Detection Smart WiFi Video Doorbell
From $149.00
Outdoor Waterproof Infrared Beam Sensor - Dual Photoelectric Detector with Lens Indicator for Perimeter Security
From $48.95
Universal Security Alarm Bracket for Wall Mounted PIR Motion Detector, Adjustable Angle
From $20.95
Non-Contact Infrared Sensor Switch, Door Release Exit Button for Access Control System, LED Indicator, Stainless Steel
From $16.95
24v parking lot door loop detector inductive vehicle loop detector 26-27
From $94.00
UTP 4 Channel Passive Video Balun Transceiver
From $14.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket-zzy
From $32.95
Smart Vibration Sensor with RealTime Alerts, Wireless Door Window Alarm, Compatible with Alexa App
From $35.95
CC-309 Full Band Detector with LED Screen Display, Detection Frequency Range: 1MHz-6500MHz(Black)
From $44.95
Bluetooth Multifunction Gateway Smart Home Door and Window Sensor Socket Control Center
From $49.95
Infrared Photocell Beam Sensor DC 12-24V Waterproof Outdoor Detection 20m for Gate Garage Door-way3
From $48.95
Automatic Door Safety Sensor Photoelectric Beam Photocells for Sliding & Swing Doors
From $59.00
Compactly Air Quality Sensors Module Gas Sensors Module with Fast Response Low Power Consumption for Intelligent Home
From $16.95
WiFi Door Window Sensor for Smart Home Security Compatible with Tuya App, Instant Alerts, Easy Installation
From $21.95
7m Sliding Garage Door Gate Opener Infrared Beam Reflective Photocell for Electrical Gate Photoelectric Switch Gate-bgj
From $79.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
From $39.95
4-Pack 100dB ble Alarm and Vibration Sensors for Home, Office, Dorm, or RV Use
From $59.00
2pcs Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door S
From $21.95
2 Pack White Burglar Alarm Door Window Sensor Wired Anti-theft Contact Detectors Waterproof Professional Quality For Kids Children Safety Diy Protecti
From $15.95