LOHAS 4W Dimmable Gu10 LED Light Bulbs, Soft White 3000k, 50w Equivalent, 30 Beam Angle, Recessed Lighting, LED Track Lighting Save electricity bill. Soft White 3000k, 50w Equivalent, 30Beam Angle, save over 80% on electricity bill of lighting Dimmable. Works with most of dimmers but to ensure flicker free dimming, please use with silicon-controlled rectifier(SRC) type dimmer Easy Installation. Standard MR16 shape with GU10 base. Eco-Friendly. Reduce re-lamp frequency. Lifespan is over 30000 hrs. Save effort and maintenance costs on changing bulbs frequently