... ,adjustableInterval of Pulse 1~99ms,adjustableSub-pulse Width 0.1~9.9ms,adjustableCycle 1~4s,adjustableCooling Way semiconductor +wind + water coolingScreen ... for 24 hours Weight50kgFree partsE-light handpiece, Filters,Operator Goggles, Protective Glasses, Footswitch, Power line, Scrape board, Water bottle, Key, User manual ...