Adsorbed on any smooth surface, help to draw line and drill the hole

Laser part can be used in separately

Voltage: 4.5V (button battery 3X 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

Alice Fang 13505796272

alice@rstools-china.com