1.fully integrated all in one solution:Arduino 2560-R3 compatible (works with Sprinter, Repetier-Firmware, Marlin out of the box) CH340 for high speed USB serial connection2.UNIVERSAL POWER: can be used with 9V-28V for motors / heated bed integrated high precision power regulators (DC/DC): 5V 3A Max power input auto selector for ATmega/logic (stand alone or power from USB)Easy DISPLAY + SD-CARD connector: Rep Rap Discount Smart Controller compatible pin header on board3.10P FPC for Serial Press display: 2X4 PinHeader Out for SD Card moudle4.Up to 6 motor drivers with easy micro-steps setup and Supports TMC driver without flying wire 10x PWM capable power mosfet outputs (1 for HotBed, 3 for Heat-End, 3 for fans, 3 for RGB LED strip) The Hot-Bed is designed as a separate power input for maximum current All unused pins are led out by pin headers.PCB: 4 layer2OZ copper inner layers,1OZ out layersHigh quality, High temperature FR4-TG130 PCBGold ENIG finishingProduct name: F6 V1.4 main control boardModel: F6 V1.4Compact size: 117mm x 87mmMaterial:plasticcolour:blackPackage Contents:1 x F6 V1.4 main control board1 x USB cableOnly the above package content, other products are not included.Note: Light shooting 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.