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Security System Sensors

Shop the best prices on 11,094 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,081 - 2,112 of 3,200
Professional Boat Engine Hood Door Alert System Suitable for Transportation and Logistics Monitoring Unauthorized Access
From $13.95
Magnetic Door Window Contact Sensor Alarm Wireds Metal Security Home Burglars Alarm NO NC Magnetic Switches Easy Install
From $30.95
Waterproof Active Photoelectric Single Beam Infrared Photocells Sensor Barrier Detector for Gate Door Window Black
From $28.95
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
From $13.95
Tuya Zigbee WiFi Smart Door Window Sensor Alarm Detector Independent Magnetic Sensor Smart Home Via Alexa Google Home Smart Life
From $45.95
Smart WiFi Wireless Video Doorbell Security Streaming Camera Door Bell Intercom
From $38.95
Sonoff Dw2-wifi Wireless Security Window Door Sensor Home Sercurity Alarm Work With Ewelink App Support Sonoff Devices Ifttt
From $84.00
2025 Wireless Home Doors Windows Security Entry Alarm System Pack 6
From $24.95
2025 Ring Alarm Riser 1/4 inch 5 Pack Mount for Entryways
From $25.95
Ultra Thin Saw Blade For Glass Cutting Disc For Cutting Glass Jade Crystal
From $33.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
From $39.95
Smart Temperature Switches With Ds18b20 Sensor 3000w For Home Applicance
From $37.95
Security Window Door Alarm DIY Home Protection Burglar Alert Sensor
From $15.95
Access Button Door Exit Push Infrared Sensor Switch No Touch Release Gate Opener Door Access Control System Entry Open Induction
From $35.95
36V Battery Supported Outdoor IR Sensor Photocell Automatic Gate Garage Door Infrared Beam Sensor
From $39.95
2025 Intelligent Home Light Sensor Upgrades with Instant Monitoring Threaded Light Detection Sensors for Indoor Lighting Control
From $30.95
2025 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
From $30.95
2025 Anti Pet Body Infrared Sensor Wireless Wide Angle Intelligent Infrared Alarm
From $20.95
Tuya Smart WiFi Door Sensor Smart Home Open Close Detector Smartlife App Control Notification Compatible with Alexa Google Home
From $33.95
Smart Door Window Magnetic Sensor Detector Compatible with Alexa Google Home for Burglar Security Alarm System,Battery Not Included 1pc 13Thirteen
From $15.95
Beam Photocell,12/24V Photocell Probe Beam for Sliding Gate Opener Infrared Safety Photocell
From $16.95
Infrared Sensor Alarm, Digital Pulse Infrared Sensor Beam Barrier Home Business Office Security Indoor Outdoor Detector --Lefou (Black)
From $34.95
Magnetic Sensor,Magnetic Switch Sensor Window Door Security Alarm Detector Contact Wired Large Magnetic Gap for Home Garage
From $12.95
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor Chime Anti Theft Home Security DIY Protection
From $59.00
Infrared BarrierDigital Pulse Infrared Sensor 100m Active Detection Invisible IR Beam Barrier Waterproof Alarm1 pcs
From $31.95
Smart WIFI Door Window Sensor, Security Magnetic Sensor Closed Detector, Compatible with Alexa and Google Home, Smartphone Notifications and Actions o
From $13.95
12/24V Photocell Sensor Beam Sliding Door Safety Photocell Infrared Cell --Lefou (Black)
From $14.95
Infrared photoelectric sensor beam for slide gate opener safety 12V/24V (1 set)
From $24.95
Stainless Steel Float Switch Tank Liquid Water Level Sensor L Type For Pool Can 75mm Float Switch Tank Pool Sensors Water Level
From $28.95
Battery Photocell 15m Detect Range Lnfrared Beam Sensor DC/AC 12~24V Waterproof IP5 Automatic Gate Door Safety Sensor Alarm
From $24.95
10m to 15m Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
From $23.95
LED-TV-Simulator For Home Security With Dusk Sensor Auto-On Deters Burglars When You Are Away
From $74.00