Lemonbest&reg; 12V 4W MR16 Gu5.3 LED Spotlight Bulb, 35 Watt Incandescent Equivalent, Warm White Lemonbest high quality standard; energy saving 4W MR16 LED Spotlight with 4 leds Low light decline with high brightness; High energy efficiency & spaced edge for heat sink Superior imported Die-casting Aluminum in beautiful appearance; high thermostable conjoined lens No UV or IR Radiation; 48 hours aging time; over 50,000 hours lifespan guaranteed Ideal for office, exhibition, home, indoor use