Introducing LightArmorTM Underwater Lights from Attwood, a new line of premium surface-mount LED lights 800 lumens in tactical green light to light up the transom or around the hull of your boat. 4" long with extreme impact-resistant lens and electro-polished 316 stainless steel cover Exclusive heat-sink cooling system with active overheat protection Resistant to corrosion, chemicals and UV damage.