... Compression; 2. 17 inch LCD; 3. Mobile monitoring; 4. 2TB HDD, 14 language Main ChipsetHuawei Hi3515Video CompressionH.264Audio CompressionADPCMTotal ResourceD1 resolution ... DDNS free domain address. 3G MonitoringPTZGeneral RS485 protocolsHDDMaximum support 2TB SATA HDDLanguagesChinese, Traditional Chinese, Russian, English, Italian, Portuguese, Spanish, French, German ...