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Security System Sensors

Shop the best prices on 10,876 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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1,889 - 1,920 of 3,200
2025 10m to 15m Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
From $29.95
Mailbox Alarm Mail Chime Notification System-Mail Alarm 800 Ft Long Range Wireless Mailbox Alert with LED Light Flashing Edition C
From $79.00
Passive Infrared Detector Human Body Induction Sensing Wired Outdoor Waterproof Adjustable Sensitivity
From $59.00
Glass Sensor Condensing Lens for Lens Fiber Optic Focusing Fiber Optic Optical
From $33.95
Sensor Weight Electronic High 5KG Accuracy Pressure HX711 Scale Module
From $10.95
For Gates Doors Windows External Positioning Alarm Detector Single Beam Infrared Radiation Sensor Barrier Against Hacking System
From $26.95
Tuya ZigBee Light Sensor Luminance Sensor Beam Sensor Real-Time Luminance Detection Smart Home Automation App Control
From $48.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home
From $27.95
Surface Mount Wired NC Door Contact Sensor Alarm - For Door, Window, Cabinets, 10pcs
From $13.95
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
From $79.00
Door Sensor, Wireless Smart Door Window Alarm, Wireless Security Alarm
From $94.00
10pcs Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets
From $16.95
Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security
From $64.00
10PCS SW420 Vibration Sensor Module Normally Closed Switch for Motion Detection
From $37.95
2X Mini Tuya WIFI Elderly SOS Button Waterproof Emergency Panic Sensor Alert Push To Mobile Home Automation Security CS fast
From $119.00
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
From $28.95
BERM Proximity Switch Cylindrical Shaped 3‑Wire NO Detection Sensor PRL18‑5DN 10‑30VDC
From $20.95
Overcurrent Protection Sensor Module AC Current Detection 24V Relay 5A 20Hz~400Hz
From $12.95
BERM Approach Switch Sensor Cylindrical 2‑Wire Power Control Equipment 90‑250VAC
From $17.95
UTP 4 Channel Passive Video Balun Transceiver Metal 4 Channel Video Balun Receiver for CVI AHD Cameras CCTV
From $32.95
For Tuya Matter Thread Door Window Sensor
From $74.00
Smart WiFi Thermometer with Freezer Alert for Home Temperature Monitoring
From $59.00
433Mhz Door Window Sensor Compatible With Rf Bridge For Smart Home Alarm Security,3pcs GreenZech
From $41.95
2025 433mhz Door Window Alarm Sensor
From $59.00
Suitable for Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection
From $29.95
Tuya Smart Wifi SOS Button Wireless Security Alarm Panic Device Emergency compatible Elderly Kids compatible Safety Smart Life Rem CS fast
From $79.00
Light sensor for burglar alarm - infrared beam detector
From $54.00
Garage Door Sensor Replacement Kit for G801CB-P/801CB/041-0136
From $22.95
Home Security Door & Window Sensor Convenient Door Sensor Door Open Detection Alarm Keep Your Property Secure ABS
From $34.95
E3JKR4M1 ABS Housing Specular Reflection Type Photoelectric Switch Sensor(AC/DC12240V 3500mm)
From $33.95
Magnetic Door Window Contact Sensor Alarm Wireds Metal Security Home Burglars Alarm NO NC Magnetic Switches Easy Install Multicolor
From $33.95
Wired Photoelectric Vibration Alarm Sensor Detector Home Security Alarm System
From $16.95