1).7TFT LCDdisply in high resolution,no radiation and high definition.
2) Low power consumption.
3) Handfree intercommunication&night view.
4) Electric-controlled unlocking.
5) Monitoring outdoor.
6) LED lumination,compensation.
7) 16or8chord melodies for option.
8) Water-proof damage-proof&explosion-proof outdoor unit.
9) Enclosed an adapter and 15m cable for DIY installation
10) video doorphone