... Bridgelux led chip 3,5 years warranty 4,CE&ROHS 50W high power LED high bay 5 years warranty Manufacture :20W,30W,50W ... alloy housing3. Acrylic glass cover4.High powerful LED light source5.High efficiency imported LED driverFEATURES1. Aluminum die- ... High voltage isolate9. Unique optic design / Symmetric illumination10. No UV & IR, No Blinking and No Mercury & Lead free11. Energy saving system ...