ATOMSTACKAIC1 Air Assist Automatic Control Kits for Frame-Shaped Laser Engraver, Auto ON/Off Air Assist for LightBurn M7, Support Offline Engraving, with Emergency Stop Button and Reset Button

My laser engraver is a Burnlab A20 Pro which is actually manufactured by Atomstack and uses their controller which looks almost identical to this one. I bought this to replace the original one as I kept forgetting to turn on the "Air Assist" in places where it was needed. Using the new unit, all I have to do is select "Air Assist" in the controller program for any portion of the cutting/engraving that needs to have it for optimum results and the device turns it on when necessary and off when not needed. Saves me a lot of time and sometimes even keeps me from having to waste some wood because I forgot to turn the Air Assist on and the laser caused the cuts to char a bit too much causing unsightly markings. With the auto Air Assist, as long as I keep the laser head's outlet clean, it produces NICE engravings/cuttings.