This is the Sealife Flex-Connect Micro Tray with Mounting ScrewFeatures: Use the Micro Tray to add light and stability to your ultra compact underwater camera Instantly add grips, lights, flashes and Flex Arms to the Micro Tray with just a click!" and remove them with the push of a button Perfect for ultra compact cameras like GoPro (requires tripod adapter for GoPro cameras, Item SL9813) Mounts to all cameras with a standard 1/4-20 tripod mount Includes mounting knob Easily expand your ultra compact camera Mount a flash or light and add stability to your ultra compact underwater camera. Quickly and easily add grips, lights, flashes and Flex Arms to the Micro 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 and includes mounting knob. Perfect for GoPro and other compact cameras Use the Micro Tray to expand your camera while keeping your set up ultra compact. Easily attach a GoPro camera using the tripod adapter for GoPro cameras. "