With 5 fully programmed functions: High speed injection. Adjustment of injection speed. Mesoperfusion. Programmed standard injection Programmed micro injection Programmed continue injection Mode selection button Master switch. The perfect tool for practicing painless MESOTHERAPY wherever in the world corresponding to the highest professional requirements... Fantastic keyboard option Colors to select operating mode Continuous, dosimetric, nappage, mesoperfusion Dose setting, syringe options, nappage speed Battery level.