... no flicker,instantaneous light,high colour rendering round electrodeless lampelectrodeless, long life-spanmore efficiency,high ... 000 hours, 50 times of incandescent lamp, metal halide lamp is 10 times also strong vibration ... frequency energy-saving light degrees 85w 500w incandescent lamp, than incandescent bulbs equivalent energy-saving 80 ... choice, color rendering 80 round electrodeless lamp