Features:
1.4-Beam compressed technology, 20W ultra-strong optical power laser module.
2.Built-in fan cooling system, effective cooling to extend the service life.
3.Air assistance performance update;change the diameter of air tube from M5 to M8, to get stronger air pressure at air nozzle。
4.Newly upgraded protective window design, effective filtering of blue light
5.Compatible with various engraving machines on the market (consult customer service if you are not sure)
6.High stable 2EDG3.81 connector, up to 7A operating current
7.Only 300~400 mw power decrease with 100% power output in 30 mins
8.Support digital（TTL/PWM）and analog modulation
Kit include:
1 x LASER TREE 20W Optical Power Laser Cutting Module
