Diameter: The number after MR refers to
the diameter of the bulb in eighths of an
inch, so the 16 means the bulb is 16/8
inches (or 2 inches) in diameter.
Base: GU stands for "general use" and
refers to the base, or fitting, of the bulb.
Lifespan: Some MR16 LED bulbs have a
lifespan of up to 25,000 hours.
Energy saving: LED MR16 bulbs can save
up to 80% energy compared to halogen
lamps.
Mainternance costs: LED MR16 bulbs can
have lower maintenance costs than
halogen lamps.
Compatibility: LED MR16 bulbs are
compatible with transformers and fit in
most current halogen fixtures.