US-made high-quality high-power LEDs. Unique, cutting edge, internal circuitry and the highest quality components make Dr. LEDs the longest lasting, most energy efficient LED products on the market. These high-quality, general purpose bulbs produce a warm white light and are the perfect way to reduce energy consumption in your boat, or even your home. The Edison LED produces a spot-type beam and is best used in directional light fixtures. Fits E26/27 medium screw base household” style sockets Ideal for solar panel users Internal circuitry provides for constant energy to LEDs regardless of voltage fluctuations from the source, meaning no flickering, optimal brightness and longer LED life Long service life, shockproof, ultra-rugged with no filament to burn out or break 1X US-made high-quality high-power LEDs produce the equivalent of about a 30 or 60 watt incandescent bulb within the main beam - with 1~2 watts of consumption Lead and mercury free, no UV output