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Shop the best prices on 10,696 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,817 - 2,848 of 3,200
168 188F Gasoline Generator Oil Sensor Alarm Fuel Alert Replacement Standard Accessories
$32.95 Save $15.00 RRP: $47.95
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
$64.00 Save $65.00 RRP: $129.00
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart Life APP Length 80cm unbrand
$46.95
WiFi Door Window Sensor APP Smart Home Security Protection Door Open Closed Detector for Alexa Yandex unbrand
$11.95
Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Sensor Motion Shock Alarm unbrand
$15.95
WiFi Smart Zigbee Temperature and Humidity Sensor LCD Screen History Record Smart Home Security Remote Control unbrand
$18.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection Sensor unbrand
$14.95
Tuya Zigbee Door Window Sensor A Burglar Alarm Smart Home Automation Security Protection Smart Life Work unbrand
$11.95
Tuya Smart Life WiFi Door Exit Button Voice Control Remotely Door-Opening Wireless Release Push Switch for Door Lock unbrand
$21.95
Tuya Smart Zigbee Temperature Humidity Sensor Indoor Hygrometer APP Remote Real-Time Monitoring Works with Alexa Google unbrand
$11.95
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Gateway Mi Home
$129.00 Save $60.00 RRP: $189.00
Garage Door Magnetic Curtain Door Sensor with 5m Wired Magnetic Detector for Garage Door Opener Accessories unbrand
$9.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
$23.95
Wifi Doorbell With Magnetic Triggered Sensor For Window And Door Security 8.20X4.20X1.60cm White 1Set
$38.95
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
$114.00 Save $85.00 RRP: $199.00
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
$69.00 Save $80.00 RRP: $149.00
Glass Break Alarm Glass Door Window Vibration Sensor 130db Glass Breaking Alarm Window Sensor
$59.00 Save $50.00 RRP: $109.00
2024,4vwin Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type).
$79.00 Save $70.00 RRP: $149.00
Magnetic Switch Alarm Sensor for Overhead Garage Door with L Bracket
$46.95 Save $22.05 RRP: $69.00
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds Edition 0830
$41.95 Save $22.05 RRP: $64.00
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced B
$41.95 Save $77.05 RRP: $119.00
Wireless Home Doors Windows Security Entry Alarm System Pack 6
$46.95 Save $27.05 RRP: $74.00
door handle alarm, door and window alarm touch sensor alarm door and window sensor, 120dB touch sensor anti-theft
$28.95 Save $6.00 RRP: $34.95
Door Window Alarm, 90DB Door Alarms for Kids Safety, Door Window Burglar Alarm-Window Pool Alarms for Home Security (2 Pack) -GSL
$45.95 Save $63.05 RRP: $109.00
2024,4vwin Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type).
$69.00 Save $30.00 RRP: $99.00
Infrared Beam Sensor For Gates, Doors Window - External Alarm Detector
$5.95
SONOFF DW2 RF Wireless Door Window Sensor Detector Door Opening Sensor eWeLink App Smart Home Security Alexa Assistant
$25.95 Save $21.00 RRP: $46.95
Tuya Zigbee 3.0 Temperature and Humidity Sensor Remote Monitor By Smart Life APP Battery Powered Work With Alexa Google Home
$29.95 Save $5.00 RRP: $34.95
MC-31 Surface Mount NC Magnetic Door Contact Sensor with Alarm Reed Switch (10 Units)
$41.95 Save $22.05 RRP: $64.00
3/15/30/60 Seconds Adjustable Wireless Fridge Alarm Freezer Door Alarm Left Open Safety Window Alarm 4-in-1 Door Sensor Chime Door Open2 Pcs
$48.95
Tuya Diameter 12MM Wide Angle Fisheye Dual Frequency WiFi Door Eye
$119.00 Save $200.00 RRP: $319.00
PA-461 Wired Passive Infrared Curtain PIR Motion Detector Sensor Alarm(White)
$12.95