High Power, high lumen, high quality. Easy to install and use, secure and reliable. https://www.youtube.com/watch?v=4cSmFdN8Uis Light body is made of good quality aluminum alloy with painting or anodic treatment on surface, exiguity  and unique design, excellent heat dissipation. Mainly used for building outlines, stadiums, overpasses, monuments, parks and flower beds, etc.