LED-Lamp GU10 5.5 W 345 lm 4000 K Good every day quality from a brand you can trust. RefLED ES50 V3 Dimmable delivers a cost effective solution to replacing halogen GU10 with LED offering 345lm of light equivalent to a 50W halogen lamp while extending lamp life to 15,000 hours. GU10 cap. 36 degree beam angle in cool white 4000K. Backed by a 3 year warranty. CCSMD Technology delivers a halogen look lens with high efficiency and good thermal control.