Description T-Knob Specifications:MCU:ESP32-C6-MIN-1U Flash:4MB Wireless protocol:2.4G Wi-Fi 6, Bluetooth 5 (LE),802.15.4 Onboard function:4LED(1020,21,22,23)1xBuzzer(1014) Highly Efficient Zero Standby Current Driver Driver Chip:TMC6300,3-Phase motors up to 2A() Hall Based Angle Position Encoder sensor Main Chip:MT6701,0~360 Full Angle Sensing USB charging: 5v 500mA Colour:Black Material:PCB+electronic components Different batches may have different screen printing/appearance, but it not affect the use Package Contents: 1 x T-Knob 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.