Whether for numerical inputs, controls or for frequent number entry - the programmable keyboard is the ideal accessory for notebooks. All keys can be user-defined with up to 24 characters per key.- Numerical input.- Control systems.- Frequent entry of numbers.- Extension for notebook computer.- Equally suitable for left- and right-handed users.- Small space requirement.- All keys can be user-defined with up to 24 characters per key.- 4 additional user-programmable function keys,can be labeled individually.- Digits can be entered independently of the status of the Num Lock in the system (operation on notebook PC).- Variable decimal separator [.], [,], [00], [000].- External standard keyboard can be connected.- Matches design of Cherry keyboards G84-4100.- Uses mechanical keys from our ML series with high-precision key action.- small physical dimensions.- Reliability: MTBF: 550,000 hours.