... no flickering, no humming5.New inner high efficiency (95%) with heat protection system, the constant current6.Special circuit design, each ... interference9.Ultra-slim, only 12.7mm thickness10.Refined workmanship with good corner seam joint11.Excellent thermal management, refined aluminum, ... , art galleries, museums, offices, reading rooms, contour range Super Bright 300*300 LED Flat Panel Wall Light