LU2 4 SFOrtur Laser Master Ortur Laser Master 2ProS2 SF laser engraver has flame detection emergency stop etc It is equipped with the latest OLM MAXUP V10 Motherboard and stronger system reliability smooth engraving faster engraving speed higher accuracy and more refined engraving products LU2 4 SF Laser Module focal spot is 0 12x0 15mm It s high power and has a compressed laser Spot so it s good at cutting and better at engraving harder materials LU2 4 LFOrtur Laser Master Ortur Laser Master 2ProS2 LF laser engraver has flame detection emergency stop etc It is equipped with the latest OLM MAXUP V10 Motherboard and stronger system reliability smooth engraving faster engraving speed higher accuracy LU2 4 LF Laser Modould is second generation compressed focal spot Long Focus laser head with Air Assist better for cutting especially thicker materials Focal Spot is 0 17x0 25mm and it can cleanly cut 6mm pine board in a rund pass Description Advanced Firmware Ortur Laser 1 8 firmware smarter faster higher precision and easier to use Specialized Motherboard with 32Bits MCU It could preprocess 32 instructions support baud rate as high as 921600 more powerful Qualified for ESP32 MCUs optimizes the motion algorithm and increases the maximum stepper motors speed from 4000mm min to 10000mm min Wide Compatibility Ortur laser master 2ProS2 laser engraver can be compatible with various mature engraving software such as LaserGRBL LightBurn support Win X