Well suited to directional accent and display lighting in museums retail outlets hotels restaurants and domestic applications this non-dimmable 4.3 Watt Osram PARATHOM PAR16 LED Lamp has a GU10 base and is an energy efficient retrofit for a 50W halogen GU10. Lasting 15000 hours and reducing energy consumption by 80% this Very Warm White (827) 36 Deg lamp is also robust against vibrations contains no mercury and emits no UV radiation.