HULL LIGHTS swivel on a silicone rubber ball making adjustment easy; vibration won’t change the adjustment. Corrosion-proof housing. INCLUDES stainless steel mounting hardware. QL60 lights ara ara designed for boats with a subtle flare in the bow, usually 25 feet or longer. QL32L fits smaller boats having a more pronounced bow flare. The beam illuminates up to 220,000 candle power. Available with with or without molded-in polycarbonate lens. Bulbs are INCLUDED and are replaceable from inside the boat 12V DC .Size: 11″W x 5-11/16″H x 5-1/4″D.