led underwater light: 1)stainless steel material ,protective level:IP68 2)Super power ... full-colours Specification:Materials Aluminum alloy body, toughened glass cover Light color available choice R / Y / B / G / W ... color rendering index greater than 90,close to natural light more than 70% compared to fluorescent lights saving ... ,fountain pool,man make lake,etc. 18W stainless steel underwater light