Vertical shutter release Same functions as old grip Significantly Improves Stability Function buttons for more options Use two LP-E6N Lithium battery. Fits for 5D Mark IV Model name:-E20 Product name:-E20 Camera battery grip for 5D Mark IV Size:153x118x86 mm Weight:310g Power:2pcs LP-E6N batteries Specially designed for 5D Mark IV DSLR Camera with all the functions as the same as the old . It is equipped with a 2-step Vertical shutter release button, AE-L or AF-L button ,Multi selector, Main dial for in a vertical position. This battery grip can hold one or two LP-E6N or LP-E6 rechargeable Li-ion battery, In addition to the camera internal battery. Please note that the battery grip -E20 does not support AA batteries. Compatible With:for 5D Mark IV, for 5DIV, for 5D4 Color:Black Material:plastic Package Contents: 1 x Battery Grip 1 x English instruction manual Only the above package content, other products are not included. 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.