Davis Mega Masthead light features a dual-function Fresnel lens that projects light for up to two nautical miles (3.7km) while consuming a mere 0.110 amps (approximately 1/10th amp). Light has an automatic sensor that switches light on at dusk on off at dawn.

Mega-Light is mounted to a stainless bracket with 6 holes plus 2 keyway slots for easy installation to a masthead, interior wall or bulkhead. Comes with 12" (30 cm) lead wire and a standard lighter plug with a 15 foot (4.5 m) cord.