... light 3.RA>80,240lm,4W,50-60 HZ 4.CE/ROHS certificate 1.Led lamp details Model No.:L1029Bean Angle ... quality sourceShell Material:High strenth glassHeat Sink Material:CeramicSafety assurance:CE listed and RoHS compliantSupply Ability:1000Piece/Pieces per Day Sink ... long as normal lamp. High lumen,low lumen deprecition,dust protection,leakage protection. Soft light,no flicker,no dark,no shadow,no glare ...