... channel H.264 DVR digital video recorder with 7 inch LCD monitor Advanced RTOS;H.264 compression;Software upgrade via USB;USB ... input/1 channel outputInternetIE / PPPoE / DDNSRemote ControlYesMouse ControlUSBUSB PortUSB 2.0PTZ ControlYesLanguage SupportChinese,English,Spanish,French,Polish,Portuguese,German,Russian ... ~ +50°CWorking Humidity10%~90%G.W/N.W3.4/ 2.8KGMeas(L*W*H)200 x 130 x 230mm CCTV ...