This is the GP Reflector MR16 Energy Saver Halogen Lamp GU5.3 16w [GP-068914-HL] This GP Reflector MR16 Energy Saver is a high quality economical solution. With a longer lifetime and lower energy consumption of up to 30% it still provides the light you expect. All halogen lamps are dimmable. ...Contact us if you need more help.