JZ-1B 30W CO2 laser therapy apparatus with super pulse,man-machine interface big-size LCD and accessories of ... of working. JZ-1B 30W CO2 laser therapy apparatus with super pulse, man-machine interface big-sizeLCD and accessories of 9 ... previewed, 0.01s-2.95s,step adjustable per 0.01s;Super Pulse: modulated frequency of 1kHz;Smoke Exhausting System: built-in ...