Complete panorama view, and monitorization, auto night IR grasp, Keyless entry, 7inch TFT touch screen, 8cord ringer tone ZAD522 Functions: 10.4inch TFT color LCD display,Aluminum case; Flat screen touch, Video calling, talking conversation & intercom w/ inside extension door phones, guard centers, Door releasing, monitoring according to signals received such as closing / or releasing signals, ...