WAVEL series are also excellent in exquisite and compact design, smooth surface line with robust die-casted housing and heavy duty anti-corrosive surface treatment for sparking the beauty of space and lighting conditions of applied area. Innovative unibody die-casted shell produced in integrated mold, the whole shell can be used to dissipate heat and ensure sufficient thermal dissipating area. ZOOMABLE optic design: WAVEL series LED high bay lights have the capability to change beam angles between 60, 90 and 105 degree by simply rotation and it is first unique design to have beam angle zoomable LED high bay lights, which will be greatly versatile for different lighting applications by single lamp. Main Features Patented beam angle adjustable lens to make beam angle changeable from 60/90/105 deg by simply rotation Innovative unibody die-casted housing plus thermal conductive coating to optimize the thermal management solution High efficacy SAMSUNG/PHILLIPS SMD LEDs with latest package technology Higher fixture efficacy, 130-140LPW @ 5000K Durability, suitable for indoor and outdoor applications Aero superior aluminum unibody shell, super conductive powder coating Heavy-duty anti-corrosion surface treatment to enhance the anticorrosion performance 65%-75% energy saving 5 years warranty