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Security System Sensors

Shop the best prices on 11,243 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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1,665 - 1,696 of 3,200
2Pcs Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock
$27.95 Save $2.00 RRP: $29.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$31.95 Save $32.05 RRP: $64.00
Independent smoke detector sensor12mm
$42.95
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 Open
$20.95 Save $20.00 RRP: $40.95
TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security Timer and Sensor,EU Pl
$28.95 Save $30.05 RRP: $59.00
Door and Window Opening Alarm (2 Pack) Suitable for Alzheimer's Patients, 120dB
$49.95 Save $19.05 RRP: $69.00
Tuya Smart WiFi Door Sensor Smart Home Open Close Detector Smartlife App Control Notification Compatible with Alexa Google Home
$35.95 Save $193.05 RRP: $229.00
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
$40.95 Save $12.00 RRP: $52.95
Negative Battery Cable AV6N-10C679- for Focus Escape Transit 2012-2018 Battery Management System Sensor AV6N-10C679-GB
$59.00 Save $20.00 RRP: $79.00
Tuya Door Window Sensor Zigbee Mini Wireless Connection Detector Smart Home Security Work with Alexa Google Home Smart Life 6pcs879
$119.00
Power outage alarm for garage 220v with loud sound Lianshi P20211224875
$6.95 Save $3.00 RRP: $9.95
Wireless Window/Door Open 52 Chime Entry Security Alarm Doorbell Magnetic Sensor
$59.00 Save $100.00 RRP: $159.00
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor Chime Anti Theft Home Security DIY P
$18.95 Save $15.00 RRP: $33.95
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor Chime Anti Theft Home Security DIY P
$17.95 Save $29.00 RRP: $46.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security P
$19.95 Save $18.00 RRP: $37.95
SQ909 Multi Function Anti Spy Anti Candid Detector Wireless Signal Wideband Vibration Alarm
$109.00 Save $130.00 RRP: $239.00
Electrical Waterproof Power Box for Electronics Outdoor Use Spacious Interior 2Pcs
$35.95 Save $7.00 RRP: $42.95
Welcome To The Induction Welcome Doorbell Remote Wireless Doorbell Home Anti-Theft System
$79.00
Multiple Purpose Security Scanner Detects 8GHz Signals Locate Trackers Invisible Cameras Conference Room Eavesdropping Prevention Tool Multicolor
$45.95
25-26 Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance
$33.95 Save $35.05 RRP: $69.00
Easily Remove Security Tags with the Magnetic Remover Clothing Hard Tag Detacher - Effortlessly Remove Security Tags for Convenience and Peace of Mind
$37.95 Save $21.05 RRP: $59.00
Door and window anti-theft alarm Wireless Home Door Window Entry Burglar Security Alarm Magnetic Sensor 3pcs-white
$5.95 Save $18.00 RRP: $23.95
Electric Rivet Nut Gun Riveting Tool Cordless Riveting Drill Adaptor Insert Nut Tool Multifunction Nail Gun Auto Rivet
$11.95 Save $12.00 RRP: $23.95
Waterproof Active Photoelectric Single Beam Infrared Photocells Sensor Barrier Detector for Gate Door Window Black
$30.95
Vibration Sensor WiFi Compatible RealTime Alerts Low Power White Home Security Doors Smart Automation
$22.95 Save $12.00 RRP: $34.95
Vibration Sensor Modules 10 Pcs Enhanced Trigger Duration Reliable Output Signals For Vibration Detection Tasks
$11.95 Save $12.00 RRP: $23.95
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Alarm With Music 2025
$43.95 Save $45.05 RRP: $89.00
2025 Tuya Smart ZigBee Door Sensor Door Open / Closed Detectors App Notification
$74.00 Save $75.00 RRP: $149.00
120db Wireless Touch Sensor Anti Theft Security Alarm Loud Door Knob for Home Office Protection Easy Installation
$8.95 Save $4.00 RRP: $12.95
Door Window Sensor Detector Home Security Magnetic Sensor Door Window Anti-theft Alarm Surface Mount Strong Concealments
$32.95
Window Security Contact Switches Surface Mount NC NO Door Sensors Detector for Home Security and Burglars Alarm Systems Multicolor
$35.95
Metal Wireds Magnetic Door Window Contact Sensor Switches Door Window Sensors Detector for Home Security Alarm System Multicolor
$36.95