220V-240VThe voltage is 220V-240V, not low voltage 12v. Before installing or removing the bulb, turn off the power and make sure the input voltage is AC 220V-240V.Energy Saving5W B15d LED bulb, equivalent to 40W incandescent bulb, reduce energy consumption. Service life of up to 30,000 hours, reduces replacement frequency and saves time and money.Easy to Install Standard B15 bayonet base, small enough to install in lamps with limited space, turns on 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. No flicker, reducing eye strain, suitable for sewing machine or craft home.Applications B15 LED bulbs are widely used in sewing machines, kitchen hoods, refrigerators, bedside lamps and table lamps and floor lamps, wall sconces, chandeliers, decorative lighting, l accent lighting, etc.