DVR, CCTV DVR, Standalone DVR 16 -Channel Playback Pan/Tilt/Zoom/Focus/Iris, RS-485 Port Multi-Language,Real-time Display. 16ch,H.264,support SATA,seperate ... access,USB,network,RS485 PTZ controll,IE browse,Alarm,support DVD-RW backup,supportMSN, Email,IPHONE ...