JACKY LED GU10 5W Dimmable COB Led Lights Bulbs Lamp, Cool White 6000K, 50W Equivalent, Perfect Standard Size, Recessed Lighting, LED Spotlight, 520lm Proprietary Optics Lens enabling glare-free uniform lighting for all working environments. Environment friendly, no mercury and hazardous substances. 1 x COB Espistar LED, Dimmable, CRI &gt; 80, 520lm , 90% Energy Saving It is a great replacement for 50w Halogen GU10 Spotlight, but uses only 5W of power to run. The powerful light output and precise 60 degree beam angle make it perfect for indoor use.