Features:This battery grip/holder is compatible with Nikon D300/ D300S/ D700 Cameras.Features AF/On button， shutter release button， multi selector， main command dial， sub-command dial for shooting in a vertical position.Comes with battery holders for 1 * EN-EL3e battery or 8 * AA batteries， effectively increasing the camera operating time.Has a tripod socket.Specifications:Item type: Vertical battery gripCompatible with: For Nikon D300/ D300S/ D700Replacement: For Nikon MB-D10Power source: 1 * EN-EL3e or 8 * AA batteries (not included)Material: ABSOperating temperature: 0-40 degrees Celsius (32-104 degrees Fahrenheit)Item dimensions: 15.1 * 7.5 * 5.2cm / 5.9 * 3.0 * 2.0inItem weight: 272g / 9.6ozPackage dimensions: 15.5 * 12.5 * 9cm/ 6.10 * 4.9 * 3.5inPackage weight: 364g / 12.8ozPackage Contents:1 * Battery Grip for Nikon D300 D300S D7002 * Battery Holders1 * User Manual