Lithosplit 4.1 Digital is portable, light weight system and long lasting probes. It has no thermal injury to tissue. The product improved energy control by Fuzzy Logic. It can be easy to assemble and operate the system. It has feather touch keys and additional power for super fast disintegration. It complete made of Digital System and unique foot switch fault detection system. It is ultra high speed microprocessor and free carrying case to anywhere. Demonstration Video CD covering Live URS, PCNL and Bladder Stone procedures. It has hand piece parts which having finish better than 10RA and made of light weight LITHOSPLIT super hand piece. Frequencies of Impacts.