Exclusively customized for mirrorless camera flip screen, for better and accurate vlog video shooting, live steaming. Periscope imaging principle, through the reflection of the lens, the framing image is completely displayed which solved the problem of the camera not being able to take picture or video without flip up screen. With universal cold shoe design, you can mount it on camera, great compatibility. Comes with 2 cold shoe mount, more expansion accessories such as LED video light and microphone are allowed. Compact design, lightweight and portable, solid structure provides strong support for equipment.