It is specially designed for D7000 DSLR cameras.It is equipped with an alternate shutter-release button, -L / -L button, multi selector, and main and sub-command dials for in a vertical position.It will effectively extend your time and enable in the same fashion as a horizontal grip.This battery grip can hold one EN -EL15 rechargeable Li-ion battery.Six AA batteries (Alkaline LR6, Ni-MH , or LithiumFR),can be used instead for more convenience.Specifications:Item type: Vertical battery gripFit Cameras: FOR D7000Replacement: FOR D7000 MB-D11Power source: 1 * EN -EL15 or 6 * AA batteries(not included)Material: ABSColor: BlackOperating temperature: 0-40 C (32-104 F)Item dimensions: Approx. 133.5 * 49.5 * 72.8mm / 5.3 * 1.9 * 2.9inGrip weight: 195g / ; 6.9ozPackage List:1 x Battery Grip1 x Battery Holder for EN-EL15 battery1 x User Manual (English)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.