... , 5mm, 8mm, 10mm etc.4. Emitting color: white, red, green, yellow, orange, blue etc.5. Beam angle: 15, 30, 45, 60 ... degree6. Forward voltage: 1.8-2.5v for red and yellow color, 2.8-3.6v for white, blue and green color7. Forward ... current: 20mA8. Wavelength: Red 620-630nm, yellow 580-590nm, blue 455 ...