Sabrent V a v-240 V to DC power Adapter Support most Sabrent USB Hub like: USB – usb-hpss CB – ds-usb-hub4 USB – USB-H7PS HB – HB – HB-U14P HB – HB – j3u4 HB – j3u7 chst hb-u10p HB – HB – RU34 HB – HB – b4u3 HB – HB – MCS4 HB – Sgar w4u3 b7u3 USB30 HB – HB – mc3g HB – HB – UMP3 HB – UM43 mc3b MAC3 and more Input: V – V 50/60Hz Output DC V a/4000mA whats in the box? * Power Adapter