This light bulb replaces a 5-10 W halogen lamp and is an economical alternative to halogen lamps. It saves energy by converting 90% of electricity into light. Modern spotlights last up to 50 times longer than conventional light bulbs and lamps, eliminating the need for frequent replacement of defective spotlights. Mercury content: 0 mg, ignition time/start time: 0.0 s, light output maintenance: 0.70.