MR16 light bulbs have a 2 inch diameter face. They are the most common and diverse category of compact multi-faceted reflectors. MR16s provide precise beam spreads and highly focused, consistent color quality light. These bulbs are available with many options including: 12V and 24V, dichroic coating, aluminized mirror reflector, integrated UV protection and a variety of filament designs. Most MR16 bulbs have 2-pin base types, however, in the wattage categories below, you will also find both E26 medium and E17 intermediate screw base as well as twist and lock GU-base type bulbs.