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Security System Sensors

Shop the best prices on 11,448 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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3,137 - 3,168 of 3,200
4Pcs Tuya WiFi Smart Temperature Humidity Sensor Indoor Humidity Sensor APP Monitoring for Alexa Google Home Assistant Edition 1230
$38.95 Save $45.05 RRP: $84.00
Fake TV Simulator with Light Sensor – deters burglars by mimicking real TV activity, ensuring home security when you're away. Ref: 3432
$89.00 Save $50.00 RRP: $139.00
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$31.95 Save $97.05 RRP: $129.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$15.95 Save $68.05 RRP: $84.00
1/4 Inch Ring Alarm Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included
$28.95
6X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
$84.00
Door and window sensors 5 pcs. Recessed Wired Door Window Sensor Door Window Alarm Sensor Home Security Alarm System
$15.95 Save $68.05 RRP: $84.00
2X Tuya Zigbee Door Window Sensors Wireless Smart Life Magnetic Door Sensor APP Remote Control
$23.95
12V PC Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm
$14.95 Save $69.05 RRP: $84.00
Compactly Air Quality Monitoring Device Gas Sensors Module For Home And Office Detects CO2 TVOC With Low Power Design
$35.95
Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
$49.95
WiFi enabled temperature and humidity sensor for Tuya smart home
$31.95
Magnetic Contact Switch, Contact for Window Magnetic Switch for Wired Sensor Detector for Security Alarms in the Home Garage
$27.95 Save $16.00 RRP: $43.95
433MHz Wireless Vibration Alarm Sensor Door Window Detector for Home Security Burglar System
$13.95 Save $16.00 RRP: $29.95
4 pcs/set Reed Sensor Magnetic Switch Module Diy Kit Normally Open
$16.95 Save $5.00 RRP: $21.95
For Gates Doors Windows Single Beam Infrared Radiation Sensor Barrier External Positioning Alarm
$30.95 Save $168.05 RRP: $199.00
Tuya Fingerbot Touch Screen BLE Wireless Touch Switch Robot Remoter
$36.95 Save $11.00 RRP: $47.95
Tuya WiFi Smart Door & Window Sensor, Wireless Anti-Theft Alarm, Alexa & Google Home Compatible, App Real-Time Alerts, Home Security, No Hub Required
$16.95 Save $17.00 RRP: $33.95
Door/window Magnetic Contact Detector With Wired Sensor For Home/garage Security
$159.00 Save $80.00 RRP: $239.00
Wireless Mailbox Alert System with 800 Ft Range LED Flash Notification Chime Alarm for Mail Delivery SZRH A-F
$37.95 Save $51.05 RRP: $89.00
4X White Door Window Contacts Magnetic Switch Sensor
$13.95 Save $10.00 RRP: $23.95
3X Tuya Zigbee Smart Vibration Sensor Tilt Detector Home Security Protection Smart Life App Real-Tim
$44.95 Save $34.05 RRP: $79.00
Door Window Open Alarm, Wireless Remote Control Magnetic Sensor Chime Anti Theft Home Security DIY Protection
$20.95 Save $14.00 RRP: $34.95
2X Tuya Zigbee Door Window Sensors Wireless Smart Life Magnetic Door Sensor APP Remote Control
$25.95 Save $17.00 RRP: $42.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(
$31.95 Save $22.05 RRP: $54.00
Wireless Door/Window Alarm, Anti-Theft Sensor, 108dB, Easy Installation, Home Cabinet Security Alarm
$21.95 Save $6.00 RRP: $27.95
2026 Magnetic Reed Switch Contact Sensor Alarm for Door & Window Security
$22.95 Save $23.00 RRP: $45.95
Magnetic Reed Switch Contact Sensor Alarm for Door & Window Security
$30.95 Save $48.05 RRP: $79.00
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors
$24.95 Save $5.00 RRP: $29.95
Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
$119.00 Save $40.00 RRP: $159.00
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
$35.95
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
$31.95