ELEDISON (2-Pack) Dimmable LED Bulb Light GU10 5W COB LED 500LM Warm White 2700K 50W Halogen Bulb Replacement 50x55mm, Accent, Recessed,Tracking Light Bulb GU10 LED spotlight 5W=50W halogen bulb, 110-130V AC, Dimmable. Mercury-free, safe for your home and the environment. 90% Saving on electricity bills, reducing maintenance cost. White housing, standard size 50x55mm, same as halogen bulb. Extra long life, 10 times longer than halogen bulb.