The BLUESHAPE V-Mount Adapter Plate for Sony EX3 allows you to attach V-mount batteries on the rear of the EX3 camera. The plate features a stabilizer block connected to it by a metal bracket, and the stabilizer block securely installs into the camera's battery slot and holds the plate firmly on the back of the camera. A DC connector extends on a 23.6" cable from the plate and connects to the camera to provide power. The plate also has a P-Tap output for powering accessories.