220V-240V The voltage is 220V-240V, not low voltage 12V. Before installing or removing the bulb, please turn off the power and ensure the input voltage is AC 220V-240V. Energy Saving 5W B15d LED bulb, equivalent to 40W incandescent bulb, reduces energy consumption. Lifespan of up to 30,000 hours, reducing replacement frequency and saving time and money. Easy to Install Standard B15 bayonet base, small enough to be installed in lamps with limited space, lights up instantly without delay, generates less heat, safer than incandescent bulbs. High Quality B15d LED bulb is non-dimmable, not compatible with dimmers. No UV or IR radiation. Flicker-free, reduces eye strain, suitable for sewing machine or craft home. Applications B15 LED bulbs are widely used in sewing machines, cooker hoods, refrigerators, bedside lamps and table lamps and floor lamps, wall lamps, chandeliers, decorative lighting, accent lighting, etc.