Solar Warning & Weatherproof Dock Light - Amber LEDs - Flashing 360 Degree Lighting - 2nd GenerationSuper Bright 2nd Generation Solar Marine Warning Lamp For general purpose marine or utility applications. Features eight (8) internal AMBER LEDs for 360 degree lighting. Top-mounted internal solar panel automatically recharges during daylight hours Powered by two (2) AA-sized NiMH batteries mounted on the lamp underside in a waterproof compartment. Weathproof and shock-resistant design. Mounting requires using spacers or washer (not included) to mount the lamp 1/2' above the deck surface (to prevent water pooling underneath the lamp). Turns on automatically at dusk. Three flashing modes - 15, 30 or 60 flashes per minute. User selectable mode switch on the lamp underside. Viewable up to 2NM depending on mounting height. Expect 6 to 10 hours of operation Performance varies by amount of direct sunlight and sun angle. For all-night performance, see our Pro-version, ASIN: B0791M1TX6 Available in Red, White, Green, Blue and Amber LED colors (see other listings). See all our solar lamps on or visit us at PilotLights.net.