It is specially designed for D7000 DSLR cameras. It is equipped with an alternate shutter-release button, AE-L / AF-L button, multi selector, and main and sub- dials for in a vertical position. It 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- , or LithiumFR),can be used instead for more convenience. Specifications: Item type: Vertical battery grip Fit Cameras: FOR D7000 Replacement: FOR D7000 MB-D11 Power source: 1 * EN -EL15 or 6 * AA batteries(not included) Material: ABS Color: Black Operating temperature: 0-40 C (32-104 F) Item dimensions: . 133.5 * 49.5 * 72.8mm / 5.3 * 1.9 * 2.9in Grip weight: 195g / ; 6.9oz Package Content: 1 x Battery Grip 1 x Battery Holder for EN-EL15 battery 1 x User Manual (English) Note: Light reflection 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.