H.264 compression, 1 sata*2t, remote control mouse, vga, usb, network, ie browser 3 stream and Pentaplex designed,advanced hard disk protection and data security Dual-core embedded processor,16 true color quality; 4 CH video BNC input,1 CH video BNC output 2 CH audio RCA intput; 1 CH audio RCA output Support 2*USB2.0 port for data backup and mouse 1~4 CH D1 real time recording and network transmission Support remote split screen live viewing,parameter set up,back up,play back 3G Windows mobile, Symbian, Nokia , Iphone, Android, Google Multi-language Size:270mm*228mm*48mm(1 U),Weight:2.1kg Voltage 12V@3A Lonse produce very fashionable Standalone DVR as well. Our standalone DVR have very clear image and superior network performance. The followings are the selling points of our DVR: Dual Core multi-tasking technology, H264 Compression Increase your performance by up to 35%, multiple functions can work without any stalling Dual streams support, flexible for network transmission and mobilephone. 32cm*28cm*12cm 2 kg.