ProShot Camera Tray and Dive Light

Courtesy of ProshotSimple and sturdy camera tray designed for smartphone housings
ProShot Camera Tray and Dive Light
With an internal width of 10 inches between its arms, this rugged stainless-steel camera tray is designed to work with underwater smartphone housings. It includes a GoPro mount, lanyard and two cold shoe adapters. ProShot dive lights (sold separately) are depth-rated to 40 meters/130 feet. They provide up to 700 lumens apiece and include three color filters.
$119.99 (tray), $84.99 (light); proshotcase.com