... mechanical movement, hence more durable and suitable for long-hour advertising playing. 3.Built-in CF and SD card reader, ... .Built-in clock and calendar function in the system of player. 9.OSD Language: supports Chinese, English, Russian French, German, ... Working humidity: 20%-80% Storage temperature: -20°C - 60°C Storage humidity: 10%-95% 4.Packing Information: Packing list: LCD media player,Keys, ...