Extends a USB-A connection by an additional 3 metres. If the power supply via USB-A is insufficient, an additional DC port is built in to connect an optional AC adapter. The cable can be used as both a data and charging cable. Max. five extension cables can be daisy-chained Plug and Play installation Includes: USB cable type A male - DC 2.5 mm male 1.5 m (for connecting to optional power supply e.g. ref. no. 73413)