1. Made of high quality aluminum alloy material, durable and sturdy to use. 2. Underwater tray is used as a support platform for your underwater housing. 3. It is a sturdy platform for mounting underwater video/strobe lights by attaching arms to 1 inch ball mounts. 4. Underwater tray with dual 1/4 inch screws, which are standard for majority of underwater housings. 5. Suitable for majority of underwater housings produced by any manufacturer. 6. This double camera tray is lightweight and will work with almost any camera and video light combination (Some will require an additional adapter). The underwater tray will allow mounting any type of video light. 7. Package list: Aluminium alloy tray stabilizer only.