... 82%,and long life and high accuracy.3.high brightness led street light with CE RoHS IP654. Imported high luminous efficacy LED chip,patented ... toughened glass of 0.4mm thick. high brightness led street light with CE RoHS Applications:workshop,high way checking station, square,wharehouse, ... our products are 3 year , we have a strictly quality controller systerm , we will try our best to avoid ...