Larson Electronics CL1B-DNS-1227 Class 1 beacon contains an LED lamp assembly that produces 360 degrees of brilliant strobing light without dark spots or unevenness of traditional incandescent beacon lights. The beam is available in a choice of white green blue amber or red colors. This light produces 1 440 lumens while drawing only 14.4 watts. The auxiliary LEDs on top help make this a Class 1 rated beacon. This strobing light has 30 flash patterns including four simulated rotating patterns. This beacon comes included with a dusk to dawn photocell for activating the beacon at night. The photocell will automatically power on the beacon at dusk and power the beacon off at dawn for energy saving. This beacon has a black powder coated die cast base that contains a fully potted circuit board. A clear polycarbonate lens protects the LED assembly. The housing is waterproof shock resistant and built for reliable and durable operation. This light will operate in temperatures ranging from -45 degrees Celsius to 55 degrees Celsius. Mounting for this beacon consists of a permanent flat surface mounting system with through holes. This light measures 4.5 inches high and 6.75 inches in diameter. The entire unit weighs 4 pounds. This beacon draws only .12 amps on 120 volts and can be operate on voltages ranging from 120 to 277 volts AC. The light will need to be directly wired to the power source with the included wires.