Micro laser engraving machine JL2 operating instructionsThe 3W and 7W laser head modules of the same machine can be exchanged. It supports one button offline engraving (the machine has internal memory, after connecting it with the computer, download the pictures and connect the machine with power supply, it will start engraving), It also supports computer engraving and mobile phone app engraving (before engraving, the pictures will be sent to the machine to ensure a stable work). The large engraving area is 225 * 120mm. The machine is equipped with a maximum stroke detection circuit. When the machine is powered on, the automatic detection machine would be reset. When engraving, the automatic detection of engraving position will also be used , which is more convenient. The machine has an on / off power switch for more convenient and safe operation.