Specification
compatible with:Nikon D300 D700 SLR Camera
dimension:150 x 52 x 75mm
weight:290g

Item Information

The item you purchased is a Pro Battery Grip for the Nik. D300, has the same function as MB-D10. It can hold 8 AA batteries or two EN-EL3e batteries simultaneously - one in the camera body and one in the MB-D10 - effectively doubling your shooting capacity.  Vertical shutter release button on the Battery Grip makes shooting with the camera in a vertical position much easier, adding stability to the camera. 

In this professional edition, it comes with several functional buttons as the flash above showing. It will be much convenient while using. It provides additional shutter release, main dial, sub-main dial, AE lock/FE lock for easier vertical shooting. 

The BL-3 Adapter for EN-EL4/EN-EL4a used with MB-D10 Grip for D300/D700. It helps the camera quicken the continuous shutter speeds,increases the frames from 6/S to 8/S.