This Feit Electric 20-Watt equivalent MR16 low voltage landscape flood LED light bulb has a GU5.3 base. Featuring bright white light and damp location rating this landscape LED is our highest quality outdoor specialty light that is perfect for any outdoor and low voltage lighting application. This MR16 reflector produces a similar light output (250-Lumen) and only uses 2.9-Watt of electricity up to 85% less energy than a standard 20-Watt incandescent light bulb. The lights have an average life of 25,000-hours/22.8-years and are safe for indoor or outside use. Choose a dependable high quality 12-Volt MR16 bulb for residential or commercial applications.