Lemonbest Energy Saving 5W 5x1W E27 LED Spotlight Bulb Dimmable 110V Polished, Warm White Lemonbest high quality standard; energy saving 5W E27 Dimmable LED Spotlight with 5 leds Low light decline with high brightness; High energy efficiency & spaced edge for heat sink Superior imported Polished 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