ITEM NAME:50Pcs 3W DC 3.2-3.4V White Light High Power LED Emitter Lamp Bead Alumin DJN.50x LED Emitter Light Bead. Luminous flux: About 180-200lm. We'd like to settle any problem in a friendly manner. Low thermal resistance, good heat dissipation. Color temperature: 6000-6500K. Aluminum base, convenient to welding.