KERUI G18 1.7" TFT Touch GSM Alarm Wireless Home Burglar Security Protection Alarm System IOS/Android APP Control Switches & Adapters Maximum communication distance up to

Maximum communication distance up to 800 meters under low Baud rate

You can use it while charging

Unit Max Sequential Read 0 Max Sequential Write 0 Packing List 1 x USB 3

1pcs 9V Battery Connector

Unit Material FR4 Working Voltage 3~5

KERUI G18 1.7" TFT Touch GSM Alarm Wireless Home Burglar Security Protection Alarm System IOS/Android APP Control Switches & Adapters Maximum communication distance up to? Description Communication Interface: Wireless Password Keyboard: Yes Kit Configuration: Door Window Sensor Video Interface: Yes Brand Name: KERUI Alarm Type: Apps Control,SMS,The Alarm Arming Type: FR Remote controller Display: Yes KERUI G18 TFT Touch GSM Alarm Wireless IOS Android APP Control Home Burglar Security Protection Alarm Systems Note: 1. This item has 4 Language Verison: English, Russian, Spanish and French Voice. 2. Please leave a note