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Shop the best prices on 10,749 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,721 - 2,752 of 3,200
Smart Wireless PIR Sensor 110° Wide View Angle Remote Infrared Alarm for Factory Warehouse
$30.95 Save $38.05 RRP: $69.00
IR Transmitters Module 38khz Ir Digital Receiver Sensors Module Low Power For Home Automation Accessories
$13.95
Wireless Door Open Sensor Alarm Chime, Adjustable Volume With Mute Indicators
$41.95 Save $42.05 RRP: $84.00
Tuya Zigbee 3.0 Smart Door Sensor - Wireless Open/Close Detector for Home Security
$24.95 Save $21.00 RRP: $45.95
Tuya Zigbee Smart Temperature And Humidity Sensor Battery Powered Zigbee Smart Home
$31.95 Save $62.05 RRP: $94.00
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
$18.95 Save $3.00 RRP: $21.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$47.95 Save $31.05 RRP: $79.00
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
$5.95 Save $34.00 RRP: $39.95
DC12V Infrared Photocell Automatic Beam Sensor Gate Garage Door Shutter Detector 24V 1 Pair
$59.00 Save $10.00 RRP: $69.00
Door Window Magnetic Contact Alarm Burglar Security Safety System for Shop Garage Supermarket
$13.95 Save $4.00 RRP: $17.95
DC12V Infrared Photocell Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector for Door Wi
$23.95 Save $7.00 RRP: $30.95
Infrared/IR Beam Detector Sensor for Perimeter Protection Outdoor Security System
$24.95 Save $8.00 RRP: $32.95
power off detector sensor large volume alarm system 220v
$20.95 Save $18.00 RRP: $38.95
2PCS Door Sensor 433MHZ Wireless Sound Light Alarm Camera Accessories for Home Safety
$17.95 Save $16.00 RRP: $33.95
Tv Simulator With Ac Adaptor Antiburglar And Theft Deterrent Home Security Timer And Sensor,eu Pl
$24.95 Save $24.00 RRP: $48.95
Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black
$17.95 Save $18.00 RRP: $35.95
4X UTP 4 Channel Passive Video Balun Transceiver
$74.00 Save $75.00 RRP: $149.00
Glass Break Detector, Window Alarm With 125db Alarm, Glass Vibration Sensor Alarm For Your Home, Office (2 Pieces) 25-26s
$45.95 Save $48.05 RRP: $94.00
Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works Zigbee2MQTT for Need Gateway
$18.95 Save $19.00 RRP: $37.95
Tv Simulator With Ac Adaptor Antiburglar And Theft Deterrent Home Security Timer And Sensor,eu Pl
$46.95 Save $47.05 RRP: $94.00
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home S
$25.95 Save $25.00 RRP: $50.95
Smart Vibration Sensor with WiFi, Adjustable Sensitivity and App Alerts for Home and Office Security
$26.95 Save $14.00 RRP: $40.95
Outdoor Long Range Infrared Beam Sensor Alarm System for Perimeter Security AC/DC Power Supply 60m Detection Distance
$64.00 Save $55.00 RRP: $119.00
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor
$40.95
MC-38A Wired Door Window Sensor Detector Magnetic Switch Normally Closed or Normally Open NC/NO for Home Security Alarm System
$31.95 Save $167.05 RRP: $199.00
Infrared Sensor Doorbell Wireless Trigger Alarm Door Entry Welcome Doorbell for Shop Office
$48.95 Save $60.05 RRP: $109.00
Door And Window Vibration Sensing Alarm 125dB Alarm Volume Domestic Install On Doors Cabinets High Sensitivity Vibration Sensing Easy To Install
$19.95 Save $28.00 RRP: $47.95
3 In 1 Bedwetting Alarm With Sensor Cable, Suitable For Night Enuresis
$26.95 Save $25.00 RRP: $51.95
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 Op miao2
$43.95 Save $20.05 RRP: $64.00
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
$22.95 Save $27.00 RRP: $49.95
New Tuya ZigBee Smart Vibration Sensor Door Window Detection Alarm
$13.95 Save $15.00 RRP: $28.95
90db Wireless Security Alarm Door Window Sensor Independent Magnetic Opening Sensor Enhanced Home Sa
$18.95 Save $22.00 RRP: $40.95