some are:
Technical Spec
Source Material: AlGaInP
Emitting Colour: Red
Emitting Wavelength (nm): 625-630
Size: 3mm
Intensity (mcd): 8000-10000
Viewing Angle (deg): 20
Forward Voltage (mA): 1.8-1.9
Forward Current (V): 20-30
OR
L-314GD, 3mm Green Diffused LED, Wave Length...