The integrated driver can prevent the short circuit of the chip, and the integrated radiator, with a fan, has a better heat dissipation effect.Support: offline controller, external high- drive, emergency stop, reset, resume, pause, limit switch interface, which can meet different needs.Both the data transmission chip and the main control chip use an external crystal oscillator, and the transmission operation is more stable.ABS shell, beautiful appearance, protect the motherboard, can be used for lasering engraving machine, CNC engraving machine, etc.Offline and offline control engraving can be usedGRBL1:1 firmware, stable performanceSpindle supports PWM 0-100% adjustableStepper motor overcurrent protection to avoid damage, upgrade integrated stepper motor drive, 2A high current, high stability.The lasering directly enters the picture engraving, no programming, no design, simple and convenient Upgrade the shell protection, the fan actively dissipates heat, and the control board has a better heat dissipation effect.Lasering: support TTL/PWM control, 0-100% adjustableSupport software: Candle (3 axes) ; laseringGRBL (lasering)System Support: Windows XP; 7/8/10Spindle: 0-48V 0-500WColour: as shownMaterial: ABSPackage Contents:1 * Control board1 * USB cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.