1)UL,cUL,RoHS,CE 2)3 Years Warranty 3) Alluminum Shell 4)Base: E14,E26, E27,B22 5) mr16 led mr16 led Basic Data: Life Span:40,000hrs Working Temeprature: -20-+40 Deg .Input Voltage :AC 110-240V CRI > 80 Base :E27 Cup Material: milked glass Shell Material: Alluminum Picture: MR16 LED ,UL,cUL,CE,RoHS, 3 Years Warranty