To suit the AIM SmartyCam HD, GP HD, SmartyCam 3 GP and Corsa, these 2 or 4 meter external power cables are a useful accessory for when you want the reassurance of having the camera powered from your vehicles 12 volt system. Not only that, the external microphone enables you to place this in a more convenient position, shielding it from the wind for better sound quality, or with the option of a female 3.5mm jack connection, to connect this to an on-board radio or intercom system (additional cable may be required depending on your radio/intercom).Provides an external power source for SmartyCam camerasAllows for external microphone use or radio / intercom connectionHigh quality leads and connectorsPlease note: This power cable is not needed if you are connecting the SmartyCam to a logger or dash as power will be supplied to the camera through the CAN connection. If all that's needed is an external microphone then please use the alternative AIM Motorsport SmartyCam HD / GP HD CAN Cable wi