... Phosphor 3.CE&ROHS 3W Epistar LED Bead 1.High quality,good heat dissipation,factory ... 65140Molding Packing2. Driving CircuitAs high power LED lamp bead complies with the diode VI characteristic curve, ... with the floating voltage could damage the led bead, that suggest customer using constant current power or ... ) after open the package;C. LED lamp bead with lens should be used with dustproof measures; ...