1.4ch Real Time DVR 2.3G mobile phone view 3.Stable hard disk 4.Built-in DDNS domain ... DDNS domain name, net-work access easier from·Support mobile phone viewer:(Windows Mobile/Symbian/iPhone/Android/BlackBerry)·Powerful CMS·Support 8 users ... at the same time support the operation of preview, recording, playback, network transmission, backup and mobile control·Chinese, English, Thai, Russian, French ...