... 80% Luminous effeciency ≥ 65 - 85Lm / W,Compared with ordinary incandescent, metal halide lamps and general energy saving lamps ... effect more than 80%, 60% and 20%. 3.No Flicker: Operating frequency is 140 KHz to 250 KHz. ... .Instant Start: Start-up time≤ 0.5 seconds, no need to preheat, instant start lighting can be. 8 ... Is Good, color rendering index ≥ 80. 300W with FCC No Flicker Induction Street Lamp