1,4 ch security dvr 2, CMS software /3G/ mobile monitoring 3,Watermark, digital zoom 4.2 years ... domain name, net-work access easier from.Support mobile phone viewer:(Windows Mobile/ Symbian/iPhone/Android/BlackBerry)Powerful CMSSupport 8 ... the operation of preview, recording, playback, network transmission, backup and mobile controlChinese, English, Thai, Russian, French, Spanish, etc.VideoInputBNC× ...