Specification:- Battery plate for Sony V-shoe mount battery. It is a device which can connect the battery and videoing devices together.- Mount Type: Sony V-shoe Mount- Can power an onboard camera light or broadcast accessory.- DC Output: 1 D-Tap connector (Power Tap)- Material: ABS Flame-retardant plastic and Aluminum- Dimensions: about 136 x 80 x10mm / 5.4 x 3.1 x 0.4 inch- Suitable for: Sony V-shoe mount Batteries