Huntkey Adapter 40W. Input voltage: 100-240 V, Input frequency: 50/60 Hz, Output voltage: 19 V. Colour of product: Black. Width: 36 mm, Depth: 86 mm, Height: 24.6 mm. Operating temperature range (T-T): 0 - 40 °C. Mean time between failures (MTBF): 50000 h