Product description from Two Trees - TTS-55 is powerful laser engraving machine for DIY enthusiasts with some major improvements compared with other standard DIY laser engravers in market. Its LD+FAC+C laser tech generates 0.08mm strong laser focus with great engraving and cutting abilities. The upgraded 32bit motherboard also enables users add extra features like wireless connection, flame detector, external end stop switch, etc to the device. If you are looking for a durable laser engraving and cutting tool kit to play-around or for your business, TTS-55 is definitely worth your money and time.