[Compatibility]Compatible with D850 Cameras[Vertical ]The grip own shutter release on same position as camera,give same as horizontal , suitable for portrait [Extender work time]Support AA or EN-EL15 Battery,if hold AA or EN-EL15 batteries 7FPS , Or use EN-EL18 battery and -5 battery for 9FPS .[Enhance Stability]Great rubber-coat give better hand and extra weight help balance the camera and telephoto lens and anti-shake.[1/4 standard screw hole] It could be mount on tripod and quickly.colour: blackMaterial: ABSPackage Contents:1 x MB-D18 battery grip1 x EN-EL15a type battery holder1 x AA battery holder1 x Contact cap1 x Chinese and English instructionsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.