This blue LED boat cup holder lights the inside so you can always find your beverage! (doesn't mess up your night vision). The illuminated cup holder includes a drain nipple for a 3/8" drain tube (not included). The highly polished stainless steel bezel twists on to dress up the flange and hide the 3 mounting screws (included)!
Easy 2 wire connection. 12V.
Requires a 3.33" hole, the flange is 4.24" diameter.