EverFocus EDRHD2H14 4TB. Video compression formats: H.264. Hard drive capacity: 1000 GB. Power requirements: 100VAC-240VAC, Power consumption (typical): 100 W. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 20 - 80 %. Dimensions (WxDxH): 421.6 x 429.3 x 81.3 mm