Item No LED POWER Color Temperature Luminous Flux/Lumen Viewing Angle Input Voltage HYHB50WWW1N1 50 W 3000-3500 Over 2000 80 120 HYHB50WWW2N1 50 W 4000-4500 Over 2000 80 120 HYHB50WWHN1 50 W 6000-6500 Over 2000 80 120 HYHB50WWW1N2 50 W 3000-3500 Over 2000 80 230 HYHB50WWW2N2 50 W 4000-4500 Over 2000 80 230 HYHB50WWHN2 50 W 6000-6500 Over 2000 80 230 LED Type: 50W high power packed Multi-chip source led. Color option: white/warm white Heat dissipation management: well designed aluminum heat sink. Electrical Management: Constant current driver special designed for the 50W LED. Optic management: Reflector. Reflector angle option: 80 degree