BR-W18 1.7 Inch TFT Screen WIFI GSM Home Burglar Security Alarm System

1.7 Inch TFT Screen WIFI GSM Home Burglar Security Alarm System

Input voltage: USB5V
Standby current: <60mA
Alarm current: <300mA
Wireless frequency: 433MHz
GSM standard: support GSM850 / 900/1800 / 1900MHz
WiFi mode: support 2.4G wireless WiFi
Backup battery: 3.7V 800mA lithium battery
Battery Standby Time: 8 h
Siren loudness: 80dB
Wireless distance: 100 meters (open)

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