Led World 10 pcs 3W Green Diodes High Power LED Light Emitter 520-530NM NO 20mm Star Heatsink Quantity:10pcs Power: 3W Emitted Color: Green 520nm-530nm Wavelength: 520nm-530nm DC Forward Voltage (VF): 3.3V~4.2V DC Forward Current (IF): 750mA Brightness Lumens: 100-150LM Viewing Angle: 120 Degree