Aqua Signal Port/Starboard Navigation Lights Deck Mount (Pair) Pair of Series 24 boat navigation lights for use on power boats up to 39 feet long TellTale indicator light gives you visual indication of light's status Stainless steel cover for resistance to corrosion Round deck mount; measures 2.24 inches wide and 1.6 inches tall Includes bulbs (10 W/ 12 V)