... efficiency100lm/WVoltage FrequencyAC90-260V 50/60HzWarranty2 years Features:1.Materials: Best thermal management with aluminum housing ... IEC60061, IEC6063 , IEC60598, IEC62560, IEC60968 and IEC550154.Applications:1.Hotel , Conference & Meeting room,institution building2.theatre, stage ... : Factory wholesale, big discount on price for big order quantity. 220V AC/DC High Power and Energy Saving 10W LED ...