(Using Han's laser homemade laser and IPG laser, small model, not high requirements for the use of the environment, according to the use of mobile. The equipment is equipped with crocodile clip, and the welding head will be welded with light only when the workpiece with crocodile clip is contacted (i.e. the safety lock is removed) and the button switch is pressed at the same time. Avoid mistakes that lead to accidental exposure.)
