The Panasonic DMW-BGS1E Battery Grip for LUMIX DC-S1/S1R is a battery grip for powering the Panasonic Lumix S1 and S1R camera. The product is dust and splash proof and can be easily attached to the camera. The battery grip has comprehensive operational units such as an on/off switch, initiator joystick, white balance button, ISO sensitivity button, exposure compensation button, front wheel and rear wheel. The product is a receiver for one DMW-BLJ31E battery (not included).