... 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 ... PeriodContinuously stand-by working for 24 hours Weight40kgFree partsE-light handpiece, Filters,Operator Goggles, Protective Glasses, Footswitch, Power line ...