【220V-240V】The 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 Saving】5W B15d LED bulb, equivalent to a 40W incandescent bulb, reduces energy consumption. Up to 30,000 hours lifespan, reduces replacement frequency and saves time and money. 【Easy to Install】 Standard B15 bayonet base, 18x53 MM, small enough to be installed in lamps with limited space, instantly lights up without delay, generates less heat, safer than. 【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 house. 【Applications】 B15 LED bulbs are widely used in sewing machines, range hoods, refrigerators, bedside lamps and table lamps and floor lamps, wall sconces, chandeliers, decorative lighting, accent lighting, etc.