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Security System Sensors

Shop the best prices on 8,661 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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3,137 - 3,168 of 3,200
25-26 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless
From $84.00
25-26 Tuya Door Window Sensor Wifi, Open Close Detector Home Security System, Smart Life Remote Control
From $9.95
4X Perimeter Trip Wire Alarm Device 12 Gauge Accessories with 22 Option Early Warning Security System Edition 0120
From $74.00
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Aqara Gateway Mi Home HomeKit
From $119.00
SONOFF SNZB-04PR2 Zigbee 3.0 Smart Door and Window Sensor Smart Automation Module Requires Zigbee Hub
From $24.95
Infrared beam detector for home security alarm system
From $49.95
Freezer Door Alarm When Left Open,fridge Door Alarm With Delay Upgrade 3/15/30/60 Seconds Security, Adjustable Delay Wireless Fridge Alarm Door Open C
From $74.00
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open
From $29.95
6-Pack Wireless Anti-Theft Alarm for Home, Featuring DIY Magnetic Sensor for Doors and Windows
From $79.00
Wireless Door Window Alarm Sensor Anti Theft 108 DB Easy Installation Security Alarm for Home Cabinet
From $18.95
ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren A-R3424
From $25.95
Compatible graffiti WiFi door magnetic alarm, wireless sound and light dual alarm, mobile APP remote alarm, door and window sensor WiFi version
From $54.00
Welcome to our store specializing in welcome doorbell sensors, split-type welcome devices, and the SF20R PRO welcome device.SF20R 1 main unit + 2 sens
From $64.00
Compatible [] single-beam infrared beam detector, door/window barrier alarm, 1-speed wired infrared detector
From $49.95
WiFi/Door Magnetic Smart Alarm Device App Push Notification Door and Window Anti-theft SensorTuya Smart Zigbee Version - Without Anti-Tamper Function
From $59.00
Xintengcheng Voice Proximity Alarm Safety Helmet Proximity Warning Device Communication Alarm Sensor YJ-AM-3YJ-AM-5 buzzer (220V/10KV/35KV/110KV/220KV
From $44.95
Compatible Wireless Anti-Pet Movement Sensor 433MHz PIR Motion Detector
From $59.00
Compatible RF433 Motion Sensor Anti-Theft Wireless PIR for Alarm System
From $47.95
WiFi/Door Magnetic Smart Alarm Device App Push Notification Door and Window Anti-theft SensorTuya Smart WiFi Version - No Anti-tamper Function compati
From $54.00
Compatible infrared beam detectors for outdoor perimeter intrusion detection (two-light, three-light, four-light beam detection, three-light beam with
From $89.00
Welcome door sensor for stores; voice prompts upon entry; burglar alarm for supermarkets; split doorbell.One-to-one emergency call device compatible
From $37.95
Compatible Tuya Smart WIFI door and window alarms, water immersion sensors, PIR human infrared detectors, and Zigbee optional ZP6 PIR human infrared d
From $54.00
Wired magnetic door switch hotel guest control system door magnetic door normally open embedded door and window magnetic alarmNormally open compatible
From $54.00
Wireless Doorbell PIR Motion Detector Sensor Alarm SF20RSF20R PRO 1 doorbell +3 sensor compatible
From $79.00
Single Beam Photo Detector IR Sensor, Egg Shape Photo IR Detector, Active IR Sensor Alarm for Home Door Security (2 Pack)
From $32.95
Compatible 433MHz wireless anti-theft roller shutter magnetic detector, Tuya Smart WIFI fire door roller shutter magnetic alarm, 433MHz wireless rolle
From $39.95
Door magnetic alarm, door and window alarm, refrigerator door opening alarm, freezer sensor bell, four-in-one door magnetic alarmSF19UP (English versi
From $39.95
WiFi/Smart Door and Window Detector with Google Alexa Voice ControlD-type Wi-Fi graffiti door magnet compatible
From $35.95
WiFi/Smart Door and Window Detector with Google Alexa Voice ControlModel D Zigbee door magnet compatible
From $37.95
Wired magnetic door switch hotel guest control system door magnetic door normally open embedded door and window magnetic alarmNormally open and normal
From $31.95
Personal Security Window & Door Alarm Bell Wireless Sensor Door Window Burglar Alarm Magnetic Sensor Door Alarm Set
From $15.95
Garage Door Magnetic Contact Sensor, Normally Closed NC Magnetic Switch with Adjustable L Bracket
From $28.95