50W 2800lm led ceiling panel light a, Super Thin: 13mm thickness b, High PF: over 0. ... ceiling panel light 1. Advantage: a, Super Thin: 13mm thickness b, High Power Factor, the PF is over 0.9c, Contant Current Driver ... room, art exbition, museum, office, readig room, corridor, toilet, e, Light of Jewelry and fashion 3. Feature: Item No.IP GradeInput ...