This light bulb replaces a 30W halogen lamp. Whether in the bathroom, starry sky, boat, or caravan, this bulb can operate from 10-30V. Energy-saving LED lamp for caravans, boats, motorhomes, etc. Save up to 89% energy while maintaining the same light intensity! Specifically designed for use in mobile applications, these LED bulbs feature an extended operating voltage range compared to standard bulbs, which also accommodates charging processes and voltage spikes without compromising the functionality and lifespan of the LEDs. Mercury content (mg): 0, ignition time/start time (s): 0.0, light output retention: 0.70.