DMW-DCC12 is designed for Panasonic DMC-GH3/DMC-GH4 camera・ helping your prolong your shooting time.Features:Designed for Panasonic DMC-GH3/DMC-GH4 camera.Used to prolong your shooting time effectively.Half-decoded dummy battery・ easy to use.Plug one end into the camera・ and the other into power supply devices (V-mount battery plate/ camera AC adapter etc).Specifications:Material: PlasticType: Half-decodedCompatibility: for Panasonic DMC-GH3/DMC-GH4Plug Socket: 4.0 * 1.7mmVoltage: 7.2V-8.4VCable Length: 33cm / 13.0inItem Weight: 17g / 0.6ozPackage Size: 7 x 5.5 x 2.5cm / 2.8 x 2.2 x 1.0inPackage Weight: 22g / 0.8ozNote:Only the dummy battery is included.Please make sure that the output voltage of your V-mount battery plate and AC adapter is 7.2V-8.4V.Package List:1 x Dummy Battery