【Compatible with Sony A7IV A9II A7RIV Cameras】This VG-C4EM Vertical Multi-funtion Camera Battery Grip Holder comfortable to hold, strong stability, and effectively suppress camera shake during shooting. 【Vertical shooting】The attractive and convenient vertical shooting shutter release function，increases shooting stability, makes images clearer, and enhances hand feel. 【Use NP-FZ100 batteries】Enables high-volume shooting using up to two battery packs (NP-FZ100), this battery grip power pack as Replacement VG-C4EM will effectively double your shooting time.Suitable for outdoor photography.【NOTE: NP-FZ100 battery can only supply power to the grip, does not support the grip charging function】 【Vertical shutter button 】Vertical shooting function on the VG-C4EM Multifuntion battery grip with the feeling as horizontal shooting, suitable for portrait shooting. and this Vertical battery grip with quick control and main dial for easy horizontal and vertical shooting; and other functional buttons and dial wheel for easy,quick and multi-functional operation. 【Install】 There is a standard 1/4 screw hole at the bottom of the handle for mounting on a tripod. It also has a positioning hole, which can be more firmly fixed on the camera head when shooting video. Battery Grip Holder for Sony a7R IV a9II a7 IV a7S III A1 Cameras