Use the Dual Tray to add two lights or flashes, reducing shadowing and increasing stability; Instantly add grips, lights, flashes and Flex Arms to the Dual Tray with just a "click!" and remove them with the push of a button; Mounts to all cameras with a standard 1/4-20 tripod mount; Includes mounting knob; Mount 2 Flash Units or Flash + LED Light; Simple Disassembly with Push of a Button; Grips/Arms Easily Click into Place; Standard 1/4"-20 Mounting Screw