... makes install more easily, safe and reliable8. Alert device for failure of water level, water temp, water instability ... .11. Various shots control system, intelligent management, convenient for hiring cooperation.12. Anti-static and anti-interference CE ... % 50Hz ;110V ±10% 60HzWorking PeriodContinuously stand-by working for 24 hours Weight40kgFree partsE-light handpiece, Filters,Operator Goggles, ...