Specifictions Voltgec220v±22v frequency50hz±1 hz Power20v the output voltge12v The monopolr microsurgery electrocogultor is n idel tool for stopping bleeding.It's effective nd esy to operte.It is smll nd light in weight, convenient to tke nd hndle. Min pplictions: pplicble to stnch in the superficil surgeries, the cogultion of tissue nd burning of neoplsm, etc. Ccessories: Electric pen 1 pcs, Electric cogultion hed 5 pcs, The power cble 1 pcs.