The AIM SmartyCam External Power cable accessory attaches directly to the SmartyCam's CAN port and allows for the connection of an external 12v power source. Never be left without footage due to an uncharged battery again! 7-pin, 712-style cable is compatible with SmartyCam HD V2, SmartyCam GP HD and original SmartyCam SD units only - not compatible with the SmartyCam HD V1.