doorphone

1.With microprogramming technology,digital auto remote control and performance of stabilization
2.(wireless telecommunication)
3.Independent system of controllization of doorbell including self-monitor/unlock/call
4.Auto-closure of power-supply, the power-supply auto turn into the calendar & clock window while the work is over.
5.One outside-fix doorbell can multi-connect the inside-fix doorbells ,on the contrary, the same .
6.The remote control distance is roughly 100-150m
7.Color display screen in TFT 3.2 inch 
8.2.4G launch frequency the power below 17DBM
9.pretty shape and fire-proof material outside
10.24h-auto-monitoring for your home

 doorphone

doorphone
8.2.4G launch frequency the power below 17DBM
9.pretty shape and fire-proof material outside
10.