The Bebob Engineering COCO AF is especially designed for the Panasonic AG-AF100 Camcorder. The COCO AF is a compact method of powering accessories such as a light, on-board LCD monitor, external recorder, or audio receiver. Designed to draw voltage from high capacity V-Mount batteries. The COCO AF securely attaches to the camera body. The V-Mount battery then simply snaps onto COCO's special mounting plate.