6 x USB2.0 based on USB2517 6 x CAN 2.0 connectors based on STM32F072CB 6 x 24V 7.5A Max power distribution with 2 controllable methods 4 x ADC input, for ADC sensors such as thermistors. 8 x general IO 6 x 24V max I/O with power control for RGB/FAN/Proximity switches, etc. Onboard 24V to 5V@3A DC-DC circuit USB working status LED indicators Onboard RESET and BOOT0 buttons for easy firmware update Color:Black Material:PCB+Plastic+Metal Package Contents: 1 * 3D printer multi-function hub 1 * data cable 1 set * accessories Only the above package content, other products are not included. Note: Light reflection 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.