Schumacher SAC-101 Dual Socket Adaptor Adaptor dimensions measure: 4 1/4"l x 1 1/4"w x 9 3/4"h; weighs 1-lb Doubles your DC outlet with a plug-in for extra outlets Plugs into a 12-volt power receptacle Includes a protective cover For use with cell phones, CD players, computers, MP3 players, scanners, and faxes