The DC-402 is a desktop battery charger for Guided Tour hand held transmitters and receivers. The charger is constructed of strong ABS material and has compartments to allow up to 2 hand held transmitters to be inserted into the pre moulded receptacles. Charging of the batteries will automatically take place and depending on the battery charge state will take up to 6 hours for a full charge. 2 red / green coloured indicators are used for each battery compartment giving visual indication of On and off charge cycles.