... it will automatically turn on and play the media files on the storage device; then automatically turn off after the viewer walks ... , BMP Video formatMPEG 1, MPEG 2, MPEG 4, AVI, VOB Audio formatMP3, WMA, AC3, AAC, OGG Mechanical and Environmental Operating temperature0 ... °C~ 40°C (32°F~104°F) Storage temperature-20°C ~60°C (-4°F~140°F) Storage ...