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Security System Sensors

Shop the best prices on 10,877 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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929 - 960 of 3,200
12V PC Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm
$14.95 Save $69.05 RRP: $84.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$14.95 Save $69.05 RRP: $84.00
SNZB-04P Zigbee Door and Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Home
$24.95 Save $3.00 RRP: $27.95
Wireless Door Sensor Alarm with Buzzer 2 Pack
$149.00 Save $50.00 RRP: $199.00
Door Handle Sensor Alarm for Export
$99.00 Save $40.00 RRP: $139.00
Wireless Infrared Detector Wide Angle Probe Curtain Alarm Sensor
$149.00 Save $60.00 RRP: $209.00
Wireless WIFI Door Window Sensor Alarm Contact Magnetic Entry Detector for Home Security with Tuya APP Control
$18.95 Save $10.00 RRP: $28.95
Tuya Wireless Smart Door Window Sensor Alarm Remote Control Operation Burglar Alarm For Home Door W
$11.95
Wireless Door Magnetic Detector 433MHz Alarm for Home Hotel
$149.00 Save $60.00 RRP: $209.00
Wireless Door Sensor Alarm 433MHz Remote Control for Home Security Magnetic Window Access
$104.00 Save $45.00 RRP: $149.00
Door Window Anti-Theft Alarm Sensor for Home Security
$94.00 Save $45.00 RRP: $139.00
Wireless Door Magnetic Detector 433MHz Alarm for Home Hotel
$149.00 Save $60.00 RRP: $209.00
2 Sets Magnetic Door Switch Wired NC NO Normally Open Closed Door Contact Switch for Home Security 1
$21.95 Save $7.00 RRP: $28.95
NC NO Magnetic Contact Switch Door Sensor Wired Metal Roller Shutter Door Home Alarm System
$25.95 Save $9.00 RRP: $34.95
Magnetic Door Sensor with Alarm for Muslim Family Athkar Machine Islam Doorbell AL-Harameen Brand Volume Adjustable Easy Install
$18.95 Save $7.00 RRP: $25.95
4X Sensor Wireless Connectivity User-Friendly App Smart Wifi Temperature and Humidity Sensor for Home Iot Device
$27.95 Save $14.00 RRP: $41.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
$14.95 Save $7.00 RRP: $21.95
Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Elderly Kids for Safety Smart Life Remote
$17.95 Save $9.00 RRP: $26.95
10pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems
$64.00 Save $35.00 RRP: $99.00
WiFi Door Window Sensor: Smart Home Burglar Alarm with Instant Notifications & Tuya Support
$39.95
Glass Break Detector and Window Alarm with 125dB Loud Siren, Vibration Sensor Security Alarm for Home, 2 Pack by Banban
$40.95
2025 10m to 15m Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
$31.95 Save $32.05 RRP: $64.00
Tuya Smart WiFi Door Sensor Window Sensor Door Magnetic Alarm Detector 2025
$21.95 Save $22.00 RRP: $43.95
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm US PlugAs Shown SZRH 2025
$74.00 Save $75.00 RRP: $149.00
2025 ABO-20 IP55 20 Meter S-ingle Infrared Beam Snesors Alarm Automatic Door Garage Gate Brake Sliding Door Safety Infrared Detector Home Doors Window
$11.95 Save $12.00 RRP: $23.95
2 Pack Wireless Freezer Alarm, 108dB Door Sensor for Fridge & Window 2025
$59.00 Save $60.00 RRP: $119.00
2025 Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds Edition 0830
$12.95 Save $13.00 RRP: $25.95
1/4 inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window 25-26
$11.95 Save $11.00 RRP: $22.95
2025 Tuya Zigbee Smart Door Magnet Door And Window Sensor Rechargeable Wireless Smart Door And Window Se
$16.95 Save $17.00 RRP: $33.95
Wifi Temperature Sensor With Tuya Smart Life App Alert For Home Freezer Monitoring 26s
$119.00 Save $120.00 RRP: $239.00
2025 Wifi Smart Door Window Sensor Alarm Detector Security Alexa Google
$11.95 Save $12.00 RRP: $23.95
2025 433mhz Door Window Alarm Sensor
$64.00 Save $65.00 RRP: $129.00