CF-30 Backlit Keyboard AND EMISSIVE

hi from italy

please what is difference for Backlit Keyboard and emissive ?

i look for this for CF-30 .



une question i see in ebay this Backlit Keyboard..but i not undestand..cf-29 Backlit Keyboard or emissive fit also my cf-30 ?



the best is emissive or Backlit Keyboard ???

i have Backlit Keyboard in cf-28 and have 3 livel of light...this is also for cf-30??

thanks alls