Neewer Professional Pro Vertical Infrared Remote Control Battery Grip with Micro USB Port Work with NP-FW50 Batteries for Sony A6000 Battery Grip For Sony A6000 mirroless camera Use one or two NP-FW50 lithium batteries(Battery is NOT included) Equipped with wired controlled shutter-release button for shooting in a vertical position Providing IR remote control and battery power source function Effectively extending your shooting time and enable shooting in the same fashion as a horizontal grip