The Painted Glass Color Dome 561 Light Bulb is a practical and versatile lighting solution. With a rigid loop/festoon bulb base, it operates at 12 volts and has a bulb number of 561. Available in green or purple, this light bulb adds a touch of color to any space. Sold individually, it offers convenience and flexibility for your lighting needs. Illuminate your surroundings with this reliable and stylish light bulb.