SCM-10 LED Underwater Light w/20' Cable - 316 SS Housing - Bimini Blue. With ten high-intensity LEDs, the SCM-10 underwater light is our most popular model. The SCM-10 is the perfect addition to every vessel and dock. The SCM-10 works with our Wireless Controller and Power Distribution Box for ease of use and installation.. High Intensity. Shadow-Caster underwater LED lights are designed to deliver the most intense optical output. Our unique design allows us to produce maximum light output and m