Western Digital TV HD. Supported file systems: FAT32, NTFS, HFS+. Image formats supported: BMP, GIF, JPG, PNG, TIF, Video compression formats: AVI, MPEG1, MPEG2, MPEG4, Xvid, WMV9, Subtitle formats supported: srt. Width: 125.5 mm, Depth: 100 mm, Height: 40 mm. Operating temperature range (T-T): 5 - 35 °C, Storage temperature range (T-T): -40 - 65 °C. Power requirements: 100-240 VAC, 50/60 Hz, Connectivity technology: Wired