Solar Dock Warning Light - Waterproof Solar Dock Lighting - RED LED Flashing 360 Degree LightingSuper Bright Commercial Grade Solar Marine Warning Lamp Designed as a super bright LED warning light for marine or utility applications. This self-contained solar lamps features: Eighteen (18) internal LEDs for superior 360 degree lighting Large 5 inch internal solar panel built-into the upper lamp surface – automatically charges during daylight Powered by a 4400 mAH internal battery pack (replaceable) Weatherproof and shock resistant design. IP65 Mode of operation: FLASHING (two flashes every two seconds) On/Off switch on the lamp underside Viewable at distance of up to 2nm (varies by installation height and other issues) Expect up to 10 to 12 hours of performance if fully charged Overall dimensions: 7' diameter at base; 7.25' height; 6' diameter at top Note that performance changes based on daytime sun angle (winter sun angle produces less charging in northern latitudes) Note: this is a flashing-only solar marine lamp. See our other listings and pilotlights.net for other solar warning lamps Available in Red, White, and Green LED colors (note that the domes are clear but the LEDs inside are colored. See our other listings for other colors and other styles and models of solar warning lamps.