The master of outdoors advertising, high lumen series possesses low power, Far distance, super HD. Equipped original high-power OSRAM LED chip, super heat-conducting copper board.Heat sink 's 80% is made from model 1070 Aluminum, heat dissipation up to 95% independent research and develop drive solution, even eletrolysis are used for 30,000 hours, realize luminous efficacy above 90%. Beam angle are 10°/13.5°/30°/45° for your selection.