The AQ-DM-1R has on-board power (50W X 4), FM Tuner (USA/EURO) and an RF Transportable Remote. Its sole design objective is to provide a waterproof housing for portable digital media. SPECIFICATIONS Tuner Tuner Pre-Sets On Remote Material BASF 897 Non-Corrosive Rubber RF Remote Display Data Range 87.7-107.9MHz 6 Pre-sets Outside Chassis Door Seal LCD Basic Functions 30 ft Power Operating Power Requirement 12V Battery Life Expectancy on RF Remote 2 Years Power Harness Yes Spea