The Contacta RF–RXU–DC5 is a 5-Bay Charging Station, for the RF-RXU Portable RF Underchin Receiver . The Charging Station can hold up to 5 receivers in a standing position, and two chargers can be daisy-chained together to allow 10 receivers to be charged using a single power supply. Alternatively, you can safely store & charge 10 of your RF-RXU Units in the RF-RXU-DC10 Charging Case.