MUMENG 500LM GU10 Base 16SMD 2835 LED 6W 6500K Cool White Bulb 110V Replaces 50W Halogen 120 Degree Beam Angle for Office, Home, Recessed, Accent, Landscape, Track Lighting Pack of 4 Units 4X MUMENG GU10 LED light bulb, 5W 110V. Size: 63.9*48.3MM. 5W & 500 Lumens super bright LED with low consumption. Hight light transmittance lens, offers uniform and white light 6500K. Base type: GU10, international standard shape for GU10. Long lifespan (30000 hours), minimized maintenance costs & reduced replacing frequency.