Laser Marking Instrument

VOLTAGE:4.5V<BUTTON BATTERY 3*lr44,

Laser power:<1mW ,

Laser class: 2 ,

Laser wavelength:635nM ,

Laser line length:6–9m,

working current:<720mA<laser<20mA,

Vacuum pump<700mA>,

Vacuum pump extraction flow:2 L/min