... 7'' LCD touch screen. Smoothy and clearly. 2, Surface mount only. 3, Multi-way communication, video intercom with Gate Station, ... home appliance(TV, air-condition, curtain^) 9, Send alarm message to Guard Center when in emergency. 10, Max. ... 8 alarm zones, SMS alarm to user's Mobile phone 11, Lift call ... software updating Hands Free 7" vdieo door phone with LCD display