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Security System Sensors

Shop the best prices on 8,831 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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385 - 416 of 3,200
Self-Adhesive Wireless Magnetic Sensor Burglar Door Window Entry Alarm 90 Db
From $349.00
Voice Sensor Reminder Indoor Security Device Recorded Voice Door Alarm Anti-Lost Key Reminder Wall Mount Entry Key Alarm
From $14.95
FP001 Metal Circular Face Recognition Module Supports Palm Vein Recognition for Face Recognition Applications
From $20.95
Wireless Temperature And Humidity Sensor Detector Smart Home Sonoff SNZB-02P
From $45.95
2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
From $21.95
2pcs IR Burglar Alarm System Beam Detector Light Sensor
From $64.00
220V Power Failure Alarm with CN Plug, 120dB Siren, LED Indicator, Voltage Resistant Design
From $21.95
30 Pairs Door Window Contact Sensor Magnetic Reed Switch Alarm for Home Security System
From $724.00
Automatic Infrared Beam Detector 2Pcs for Door Light Sensor Alarm System 26s
From $69.00
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds 0830 Szrhkj8393
From $12.95
2025 DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
From $24.95
CC-309 Full Band Detector with LED Screen Display, Detection Frequency Range: 1MHz-6500MHz(Black)
From $48.95
PB-67R Intelligent Wireless Door Window Sensor with Emergency Button
From $12.95
Compatible wireless door magnetic detectors for security doors and windows, intelligent wireless door and window detection alarms, 433MHz and ordinary
From $41.95
Compatible graffiti-style WiFi door magnetic sensor alarm, anti-theft door and window intrusion detector, smart scene linkage trigger, WiFi door magne
From $59.00
Compatible Tuya Wi-Fi Smart Door Magnetic Sensor Detector Home Indoor Door Magnetic Alarm Sensor - Black
From $45.95
Vibration alarm for doors and windows, high-decibel vibration sensor for home and hotel use.Door and window alarm JD-816 (2-pack) compatible
From $44.95
One-button scene-adjustable smart home app for remote one-click control of smart switchesZigbee allows you to freely paste scenes with a single click.
From $64.00
Compatible graffiti Zigbee motion sensor, Tuya vibration sensor, tilt sensor, Tuya vibration alarm 71AWZ
From $54.00
Compatible Sonoff DW2-RF smart home door and window sensors for remote control, security, and RF Bridge connectivity.
From $46.95
Compatible wired infrared detectors, tamper-proof, network-connected, high-stability infrared probes, and wide-angle infrared detectors for spatial al
From $48.95
Elektroweb Sensor Magnetic Contact Opening Sensor Mc-38 NoSZshsy02
From $8.95
Compatible Tuya graffiti WiFi smart door magnetic sensor, home door magnetic alarm, Zigbee door magnetic sensor 19EWT (WiFi version, black).
From $42.95
Welcome sensor at the entrance, welcoming doorbell, voice prompt, separate welcome unit for shops and supermarkets.SF20R PRO Single Sensor (English Ve
From $43.95
Refrigerator Door Opening Sensor Alarm With Editable Music2 Bell + 1 sensor compatible
From $47.95
Compatible infrared beam detectors for outdoor perimeter intrusion detection (two-light, three-light, four-light beam detection, four-light beam with
From $89.00
Compatible eWeLink Zigbee wireless gateway security door and window magnetic temperature and humidity PIR security sensor kit Zigbee human infrared se
From $31.95
Door magnetic alarm, door and window alarm, refrigerator door opening alarm, freezer sensor bell, four-in-one door magnetic alarm4-pack SF19UP (Englis
From $54.00
Compatible Tuya graffiti Wi-Fi door and window magnetic sensor detector, indoor door magnetic alarm sensor, smart alarm, and Zigbee.
From $45.95
Compatible Zigbee smart home sensors for door and window switches, home automation scenarios, and security alarms.
From $59.00
Wireless vibration alarm for motorcycles and electric vehicles, vibration sensor for home doors and windows.SF04R+03C (English version) - Main unit an
From $49.95
Welcome to our store specializing in welcome doorbell sensors, split-type welcome devices, and the SF20R PRO welcome device.SF20R PRO 1 main unit + 3
From $64.00