The Model is for our Korean Customer 120W 160W Highbay Light which is a chosen model for different watt Highbay Light with good quality & smooth design. The Model Spec.: Aluminum, Panel Dimension: 270*140*1.0mm, 1 layer 1.0mm thick, 2oz lead-free HASL, Solder mask:White, Silkscreen:Black, Thermal Conductivity:2.0W/M.K, with 168PCS&144PCS SMD835 1W9V LED Chip.