Features 1、Integrated three A4988 drivers, 3-axis control board can be directly connected to 35,42, optical drive small slide table and other hatchback four-wire, hatchback four-wire stepper motor within 1.5A hatchback current. 2、Laser controller board adopts three output modes of high power for microsoft office specialist switch, time to live and relay, supports laser and spindle motor control. 3、Support 12V, 5V laser with time-to-live and without time-to-live, laser motherboard is with adjustable drive subdivision that three drives are adjusted simultaneously. 4、With limit switch, tool setting interface, the laser also supports external offline controller to realize offline control.Meanwhile, A4988 can be replaced with 8825 driver. 5、3-axis control board is a 3-axis motion control system based on processor, which can be used for laser engraving machine, plotter, writing machine, CNC engraving machine, etc. Specification Item Type: Laser motherboard Working Voltage: DC 12V Package List 1 x Laser Motherboard 1 x USB Data Cable 4 x 4Pin Control Cable 3 x 2Pin Control Cable