This MR11 GU10 lamp provides the light output of a 40W halogen lamp for only 3.6W. This spotlight offers excellent dimming performance when installed with compatible dimmer switches, giving precise control of your environment. Ideal for residential or commercial interiors. · · · Warm Light · · 300 Useful Lumens (330 Nominal) · · Dimmable · · Luminous Flux in Lumens (lm) 290 · · Luminous efficacy (lm/W) 103 · · Colour Temperature 2700K – Warm · · Frequency Range (Hz) 50/60 · · Electric Current AC