Halogen bulb with A55 shell,with high lumen and low power consumption.C-class,2000H Specifications1, energy saving up to 30%, New production to ... warm up time 3, best CRI=100, Long life 2000H, Energy level Grade C/B4, green lighting 5, CE, ROHS, LVD ... bulb42w=60w incandescent bulb53w=70w incandescent bulb70w=100w incandescent bulb Halogen Energy Saver A55