Reflector lights contain many tiny reflective surfaces around the bulb aperture, which help to focus and direct its beam of light much more efficiently. It means they emit a bright, intense light that is perfectly suited to task lighting.
For a long time, halogen reflectors were the most common type, until they fell under the remit of an EU ban and were superseded by LED reflectors. These bulbs offer the same brightness as their halogen counterparts, but use only a fraction of the energy to do so.
Many common spotlights, such as GU10s and MR16s, can technically be classed as reflectors, as they work in the same way. We've separated these out into their own category, which you can find here.