Bright and Warm Light: With a warm white output of 2700K and 300 lumens, this 12V G4 halogen bulb is suitable for creating a warm and welcoming atmosphere in your home or office. Please note that the working voltage of this G4 bulb is 12V. If you want to use it on a 220V circuit, please choose a low voltage transformer suitable for halogen lamps to convert the voltage to 12V. Dimmable G4 bulbs: With a fully dimmable design, these G4 halogen bulbs allow you to adjust the brightness from 0-100% to suit your mood and needs, silky smooth, providing a steady, consistent light source that won't cause eye strain or headaches. > Wide Application: With 360 wide beam angle, these 2 pin capsule bulbs are suitable for wide range lighting applications, including ceiling lights, chandeliers, pendant lights and other decorative fixtures. High Color Rendering: With a CRI of 99+, this 20W G4 halogen bulb accurately reproduces the colors of objects, making them look natural and vibrant. Long lasting and Good Service: These halogen bulbs are durable and reliable with a lifespan of up to 3000 hours, reducing the need for frequent replacements and saving your money in the long run.