T11 is an ultrathin, fashionable and technological LED streetlamp which makes skillful use of front and back end covers and middle proximate matter to flexibly adapt to different lighting demands and to maximize resources combined with modular lighting sets. The original honeycomb thermal design realizes pioneering heat management in the industry and enable the product to save energy and to protect environment based on the temperature drop by 20 centigrade. It has the unique characteristics of tool-free maintenance, safety, convenience and low maintenance cost. Furthermore, it complies with grading design of human engineering and can reduce potential safety hazards of road. The waterproof and dustproof grade reaches IP68 and the service life is as long as 10 years.