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Security System Sensors

Shop the best prices on 8,880 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Hsmy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,313 - 1,344 of 3,200
Da-VIP04 Digital Adjustable Overcurrent Ammeter(0.1-999A)
From $35.95
2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $28.95
2X Tuya Smart ZigBee SOS Button Sensor Alarm Elderly Children Alarm Emergency Help Switch Tuya Smart Life Remote Control
From $27.95
25 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System,When Sensor Together,Normally Closed Nc
From $30.95
10 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch for Home Alarm System,When Sensor Together,Normally Closed Nc
From $14.95
Freezer Door Alarm, Wireless Safety Door Window Alarm, 4 Modes with Adjustable Delay 108dB, 2 Pack for Refrigerator Cabinet Doors
From $59.00
4X ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren Alarm Sensor
From $69.00
Multi-Language Face Recognition Attendance Machine Password Fingerprint Palm Vein Unlocking with Application Management
From $94.00
AIZ GSM Remote Power Failure and Temperature Alarm RTU5026
From $159.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm Qd
From $94.00
3 Pack Perimeter Trip Alarm, 12 Gauge Camping Trip Wire Device,Early Warning Security System compatible with Camping/Bear Deterrent Edition 0121
From $74.00
Reliable Nonrust Steel Intrusion Alarm With Wide Coverage Hiking Security Alarm Perfect For Outdoor Activity Multicolor
From $24.95
Professional Wireless 433MHZ Door Sensor Alarm Compatible with Home Security Monitoring
From $74.00
Led Park Assist Alarm, Mountable Gara Par Sensor Aid, With - Traffic Display, Adjable H, compatible with Gara Flashing Signal
From $45.95
LQ-WS1 Tuya Smart Home Indoor Wireless Control Temperature And Humidity Sensor
From $42.95
25-26 Smart WiFi Door And Window Alarm Sensor, Realtime Smart Door Sensor Sound Alarm, Pool Alarm For Kids Safety, Detector Security Alarm
From $15.95
25-26 High-quality Infrared Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector
From $27.95
IP67 Waterproof Illuminance Sensor for Brightness Detection with Real-Time App Control
From $20.95
Wireless Infrared Alarm Sensor 433Mhz for Home Security
From $99.00
Reusable 85ft Trip Wire Reel with 12 Gauge Wire for Perimeter Alarm
From $54.00
2-Pack Garage Door Bracket for Contact Sensors, Compatible with 2nd Gen Alarm Systems (Sensors Not Included)
From $43.95
Door Window Contact Sensor - Works With Siren, Alarm Host, Wireless Doorbell Receiver Hy
From $29.95
2 Pack Wireless Door Window Freezer Door Alarm 3/15/30/60 Seconds Adjustable Delay Wireless Open Sensor
From $28.95
4 Pcs Car Tpms Tire Pressure Monitor/warning System Sensor For Bmw X1 E84 X3 F25
From $119.00
Capacitive Touch Sensor TTP223B 1-Channel Blue Digital Module
From $27.95
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm EU Plug Edition 2025
From $69.00
Vibration Sensor For Wireless Door And Window Security Motion Alerts Home Assistant Compatible
From $43.95
1 Pair Home Security Single Beam Infrared Detector Anti-theft Counterfire Alarm Infrared Sensor
From $9.95
Wifi Digital Temperature Sensor for Tuya - Smart Home Freezer Thermometer with App Alert 2025
From $41.95
Infrared Photocell Beam Sensor DC 12-24V Waterproof Outdoor Detection 20m for Gate Garage Door-way1
From $46.95
5X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $69.00
2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2 TTLOCK App
From $46.95