QT Brightek's LED panel light is designed specifically as an energy-saving alternative for traditional fluorescent fixtures. It features edge-lit backlight technology with special designed industry-leading light guide and diffuser which provide uniform illumination. Panel light is suitable for offices, schools and any commercial or residential buildings. These lamps operate on 110-220 voltages without using ballasts. They produce the same efficacy as traditional CCFL lamps with much longer lifetime at lower operating cost. They also feature a 180° homogeneous light output, making it ideal for general lighting applications.