High power LED, Star 1)Item: YH-SD 2) Power: 1W, 3W 3)Forward Voltage: 3.5-3.9v 4)Emitting angle of peak: 350MA for 1W, 800MA for 3W 5)Emitted color: Red, yellow, blue, green, white, warm white 6)Luminous Flux: 50-70lm for 1W, 100-120LM for 3W 7)Emitting angle of peak: 120-180Deg 8)life Span: 50, 000HRS 9) With Star Or Emitter 10) WIth CE and ROHS approved 11)Packing: Inner packing: Tube Packing Outer Packing: Carton Packing Application: 1)Indoor and outdoor commercial lighting 2)General lighting 3)Automotive lights 4)LCD TV / monitor backlights 5) LED display 6) LED traffic light