1.H.264 compression,compact size. 2.Multiplex Operation system 3.CMS Software Support multiple DVR connection Features: Creative all-in-one design, screen panel control 270 degrees revolving and 120 degrees turn over. Integrate 10.5inch digital LCD, the screen resolution is 800X480. H.264 compression format. Support mobile phone surveillance Support languages : English ,German, French, Spanish, ...