With Red & Green Lenses. 1-mile visibility for sail or powerboats under 39'. Pre-drilled with countersunk holes to accommodate #8 screws.LED BI-COLOR BOW LIGHT - ZAMAK (SEACHOICE)SKU: 7.19249E+11$38.99PriceQuantityAdd to CartFeaturesHousingZamakMountHorizontalBase2-3/4" L x 2-1/2" W