3 Axis USB CNC Nano Controller A4988 Stepper Motor Driver Board

Features: -Adjusting the laser power -Low Light Function -Full opto-isolation -Support for High Power Laser -Become the DIY engraving machine first choice,support for adjusting the laser power, weak light, all-optical coupling isolation, anti-interference, high power laser, support Python master software, Latest CNC firmware,Gold-plated stitching,limit switch, Motor subdivision, external connect relay etc.. Specifications: Material: plastic Size: approx. 120x65mm Fix hole size:112x57mm Laser power:100mW-5W Working Voltage: DC12V Drive Stepper motor:2 phase 4 wire, 2 phase 6 wire Microstep:4 8 16 Limit Swicth:6 CH(X+ X- Y+ Y- Z+ Z-) Curretn: 2A(one motor) Application:For DIY Laser Engraving Machine Package Included: 1 x DIY laser engraving machine mainboard