... -4500k;Warm white:3000-3500kEmitting ColorWW,PW,DL,R,G,B,YWorking Life>50,000 hoursBody & Shade MaterialAluminumLampbaseMR16/GU10/E27 ... . 2.Aluminum body with excellent thermal managing design Direct replacement of halogen lamp 50W3.NO RF interference 4.easy installation ... 5.solid-state,high shock and vibration resistant 6:With different kinds of lamp base,colors,watts ...