Product description This battery grip DMW-BGG1 can be used with the BL12 battery and is equipped with vertical shutter release button. Main dial, which can make you to operate it in the same way when longitdinal shoot or lateral shoot. Specifications Power: A battery BLC12 Power switch: Camera power switch Shooting number: Please take refer to the use manual. Working temperature range: 0ºC-- +40ºC Working humidity range: 85% or less. Dimensions: Approx 129.8(W)*39.5(H)*63.3(L)mm Weight: Approx 267g(battery is not included.) Note: 1.Please turning power switch to off position and take out the battery before remove the battery grip from the device. And caped the terminal point. 2.Remove the battery from the device after used. 3.It is a normal phenomenon that battery’s temperature will get higher when using and charging. Beside, the battery grip’s temperature will be hot. Package list: 1*G80/G85 battery grip