EXSYS USB 2.0 HUB 4 ports. Data transfer rate: 480 Mbit/s. Weight: 200 g. Operating temperature range (T-T): 0 - 55 °C, Storage temperature range (T-T): -20 - 85 °C, Operating relative humidity range: 5 - 95 %. Dimensions (WxDxH): 114.5 x 73 x 26.3 mm