Given the parts numbers, the parameters are easily enough found on digi-keys website.

But the main points:

Button LEDs - standard 3mm round housing, radial leads 1U (2.54mm) c/c. Vf=3.6V, 1100mCd

Knob LEDs - 3.2mm x 2.8mm x 1.9mm, Vf=3.6V, 150mCd

/Michael