MB-D17 is a newly released product specially designed compatible with Nikon D500 camerasMB-D17 battery grip can hold one EN-EL15 Battery or one ENEL18 battery or 8pcs AA batteries, it extends the shooting time effectively.Designed with shutter release function(AF-ON button), enable to shoot in the same way as a horizontal grip.Designed with a tripod jack on the bottom,enables to fix a tripod stably and firmlyMB-D17 funtions as compatible with Nikon MB-D17,but in a much considerable priceMaterial:ABScolour:blackPackage Contents:1 * battery grip1 * EN-EL15 Battery Holder1 * AA batteries HolderOnly the above package content, other products are not included.Note: Light shooting 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.