... 2.Input voltages: AC120-277V 3.Warranty:3 years warranty 4.Certificates:ETL ETL LED Street light, Cree LED light , LED Street High Efficiency Led ... 5 inovation patents and 30 utility model and design patents)2. Strict QA&QC(ISO9001:2008;ISO14000)3. High ... Philips , Killark , Grainger , Grandlite , ETCEngineering Projects: 1 LED Project at Fuzhou Airport 2 LED Solar Project at Tong'an 3 Project at ...