SeaLux Marine 180 deg 31mm Festoon 9 LEDs Cool White Navigation Bulbs for Masthead / Stern Light / Navigation Lights / Anchor Lamp (pair) SeaLux Marine 180 deg 31mm Festoon 9 LEDs Cool White Navigation Bulb Perfect replacement for Marine Boat Masthead light/ Stern Light/ Navigation Lights/ Anchor Lamp Long-lasting working lives; Low power consumption; Bulb Type: 31mm Festoon; Cool White; Power: 2.4 Watt;LEDs: 9 pcs, 3020SMD; 36 Lumen; Voltage: DC 12V; Measures 1/2-inch in diameter and 1-1/4-inch in length;Package contains 2 light bulbs.