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Security System Sensors

Shop the best prices on 10,873 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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3,041 - 3,072 of 3,200
1PC Stainless Steel Float Switch Tank Liquid Water Level Sensor Double Ball Float Switch Tank Pool Flow Sensors
$26.95 Save $102.05 RRP: $129.00
Tuya Smart WIFI Door Sensor Breaking in Protection Alarm Anti-Theft 90DB Window Open Detector Voice Control
$22.95 Save $5.00 RRP: $27.95
1/4 Inch Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included
$19.95
Zigbee Smart Vibration Sensor,Real Time Monitoring,Door Window Vibration Detection Siren for Home,App Remote Control
$20.95
Tuya Zigbee Smart Vibration Sensor Tilt Detector
$17.95
Tuya Matter Thread Door Window Sensor
$30.95
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
$12.95
2Sets Overhead Garage Door Contacts Wired Magnetic Switch Alarm Sensor with Armored Wire Leads and Adjustable Bracket
$34.95
Automatic Power Cut Failure Alerter LED Indicator Smart 120db Outage Alarm Warning Siren Needs 9V Battery EU Plug
$32.95 Save $31.05 RRP: $64.00
Smart Garage Parking Light with Anti-Collision Sensor 300x200mm LED Alarm System
$59.00 Save $70.00 RRP: $129.00
Garage Door Sensor for Linear Garage Doors HAE00002 LSO50 LDO33 LDO50 - Complete Single Door Kit
$17.95 Save $29.00 RRP: $46.95
Tuya Smart Zigbee Rain Sensor with Light Detector Solar Operated IPX6 Waterproof Rain Detector Remote Control
$30.95 Save $38.05 RRP: $69.00
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds
$17.95 Save $23.00 RRP: $40.95
5 Pcs -38 Wired Door Window Sensor Magnetic Switch
$19.95 Save $32.00 RRP: $51.95
Tuya ZigBee Devices Button Scene Switch Intelligent Linkage Smart Switch Battery Powered Automation Work with Smart Life
$19.95 Save $23.00 RRP: $42.95
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door
$25.95 Save $43.05 RRP: $69.00
Tuya Door Magnetic Alarm, Anti-Theft Alarm, WIFI APP Door Magnetic Opening Reminder Remote Alarm
$18.95 Save $22.00 RRP: $40.95
ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren Alarm Sensor
$22.95 Save $29.00 RRP: $51.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Securi
$19.95 Save $23.00 RRP: $42.95
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor Chime Anti Theft Home Security DIY P
$21.95 Save $37.05 RRP: $59.00
R558S Capacitive Fingerprint Acquisition Module Access Control Security Equipment Fingerprint Recogn
$18.95 Save $22.00 RRP: $40.95
Magnetic Sensor Home Door Window Entry Warning Alarm Switch
$16.95 Save $21.00 RRP: $37.95
Magnetic Sensor Home Door Window Entry Warning Alarm Switch
$19.95 Save $32.00 RRP: $51.95
Tuya Matter Thread Door Window Sensor USB Powered Smart Home Wireless Detector Work with Alexa Home
$24.95 Save $39.05 RRP: $64.00
1Pack Smart Door Sensor WiFi, Wireless Door Window Detector Alarm, Smart Linkage Window Door Contac
$59.00 Save $60.00 RRP: $119.00
Infrared Beam Detector 2pcs for Door Alarm System
$44.95
Itead SONOFF DW2 WiFi Smart Door Window Sensor Door Open/Closed Detectors Cs
$209.00 Save $60.00 RRP: $269.00
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced B
$36.95 Save $47.05 RRP: $84.00
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Monitor Burglar Anti Theft Alarm Home Security
$30.95 Save $14.00 RRP: $44.95
Tuya ZIGBEE Wall Emergency Button APP Smart Home Sensor 8x6 ZigBee Intelligent Remote Alarm
$30.95 Save $13.00 RRP: $43.95
4Pcs Tuya WiFi Smart Temperature Humidity Sensor Indoor Humidity Sensor APP Monitoring for Alexa Google Home Assistant
$37.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
$89.00 Save $15.00 RRP: $104.00