After a year of hard work in 2018, THT-EX is now proudly releasing our driverless high lumen LED high bay lighting Model L1512D. L1512D offers wattages from 140W to 240W and is UL844 certified with Class I, Division 1, Groups B, C, D; Class II Division 1, Group E, F, G. Class I, Division 2, Group A, B, C, D. THT-EX is always dedicated to develop and offer high-quality lighting to satisfy customers’ needs.