Thank you for your using our LED luminaires, we regards quality first as our marketing philosophy from the design and package of all ourproducts,we here declare that all of our products are tested by professionals and obey strict quality standards,we have professional after-saleservice team to follow our customers,we promise that when you find any quality problems caused by the products quality itself within itsguarantee period,you can contact us freely. When confirmed by the QC Department, we will immediately help you to exchange ormaintain products for free.Shenzhen Dualrays Optoelectronics Co., LIMITED. will serve you with heart and soul!Features:* LUMILEDS LUXEON High Brightness SMD3030 LEDs,SOSEN/Meanwell Driver;* IP65 Protection;* 15°/30°/45°/60°/90°/30*70°/80*140°/60*130°beam angle optional;* D-Mark tested for the use in paper production,wood processing etc with toughened glass;* Multiple installations:Ground Mounting, Wall Mounting, Ceiling Mounting,Pipe Mounting;* Various intelligent control: 1-10V, DALI, PWM,Zigbee Wireless Dimming for option;;* ±90° adjustable European bracket;* Customized supported for special projects;