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