... 1B 30W CO2 laser therapy apparatus with super pulse, man-machine interface big-sizeLCD and accessories ... : 1-30W, step adjustable per 1W;Single Pulse: opened time be accurately displayed and previewed 0 ... -2.95s, stepadjustable per 0.01s.Repeated Pulse: opened and closed time be accurately displayed and ... 2.95s,step adjustable per 0.01s;Super Pulse: modulated frequency of 1kHz;Smoke Exhausting System: ...