New installation system for use with JBL Milennia and SeaWorthy stereos. Includes SEA SHROUD and RTR5200 (radio not included). SEA SHROUD snaps into RTR5200 protecting the radio from water and eliminating the need for a backstrap. Dimensions: 7-1/2"W x 6-3/4"D x 2-5/16"H. The RTR5200 auto-opening door with flush mount features a Lexan cover and removable trim ring. Fits shaftless radios. Dimensions: 9-5/8"W x 4-1/4"H.