MUMENG 8pcs 450 Lumen 110V 4W GU10 LED Bulbs 6000K Cool White Daylight Spotlight , 30Watt Equivalent 60 Degree Beam Angle 8X GU10 LED bulbs with new chip technology. 4w & 450 lumens(super bright) & Voltage: AC85-265V The size of the bulb :Diameter = 49mm Length= 63mm CE Approved and RoHS Compliant,30,000hr+1 year warranty. Compared with halogen bulbs,saves over 80% energy and reduce the electricity bills.