Cherry Smart Board USB. Device interface: USB, Keyboard layout: QWERTY. Cable length: 1.75 m. Keyboard dimensions (WxDxH): 195 x 458 x 54 mm, Keyboard weight: 1.25 kg. Current consumption: 100 mA. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -20 - 60 °C