It's a high frequency coagulation with bipolar standard coagulation and bipolar accurate coagulation,while its bipolar electrode can be controlled both automaticly and by foot. The output power can digital displayed and its sound level adjustable.This unit can be used together with the endoscope to perform endoscopic surgery.Also used for neurosurgery,microsurgery,facil,hand surgery,plastic surgery,cosmetic surgery and other tissuecoagulation.