UFO Modern air-flow hear sink allows for fast air movement as the perfect cooling system to ensure the performance and longevity . Optics lens in 60, 120 optional with over 93% efficiency reduces light loss significantly. Also rugged die-casting aluminum alloy body coated with black anti-coating surface to better realize heat radiation and heat dissipation. Both optional types with Meanwell driver or Built-in driver and high brightness Philips chip to be excellent quality. Waterproof IP65 can be flexibly for indoor and outdoor application.