Sorry, I should have mentioned that on the left of that picture, a cable plugs into the back of it which goes to the camera, Its looks like a rj45 but I'm not sure as its only long enough that it stops half way in the metal frame of the camera. So had to disconnect it in order to take a picture.
I should say I am from the UK so there might be some slight differences in power. But it does have a small fan inside which I assume is a blower. I have a feeling that is what the black cable is.
Thanks for your advice so far