Features 1、Aluminum Material: Made of high quality aluminum alloy material with CNC processing, able to support a good performance for long service life. 2、Strong Versatility: Designed with 1/4in screw, can be mounted on any accessory with 1/4in screw hole, such as camera cage and other equipment. 3、Multi Functional: Has cold shoe interface, able to expand microphone, fill light, monitor, flashlight and other equipments to meet your different needs. 4、Safe for Use: Equipped with camera positioning pin to prevent the device from falling off, keeping your camera stay in a safe condition. 5、Using Method: Easy to install and disassemble, use a wrench to fix the screw and adapter holder to any device with 1/4in screw hole, such as camera cage.