1. Hardware version: V4.2 2. Drive motor: brushless DC motor (BLDC) 3. method: Power resistors, battery recycling 4. Microprocessor: STM32F405RGT6 5. Working voltage: 8-24V Maximum current: 120A Continuous current: 70A Motion mode: speed, position, current, torque, trajectory and other control modes Encoder type: incremental encoder (AB, ABI), absolute value encoder (SPI), Hall sensor (HALL), AMT102, AMT103, TLB5012, AS5047P, etc. 10. Communication interface: USB, PWM, UART, CAN, Analog Input, Step & Direction, GPIO, ASCII, etc. Over-current heat dissipation: PCB integrated high-current open skylight design, adopts thick copper layer and special process of immersion gold, and CN custom-made aluminum metal heat sink, which greatly enhances continuous over-current capability and improves operation stability. Apply to: robot joint control, robotic arm, food delivery robot, inspection robot, car, 3D printing, pan-tilt slide rail, CNC milling machine, force feedback simulator, industrial and automation BLDC control field, etc. Product Size: 63 x 58 x 30mm Color: As Shown Material: plastic+metal Package Contents: 1 x V4.2 1 x Type-C Data Cable 1 x 50W 2 Power Resistor 2 x 12AWG Silicone Wire 1 x SH1.0mm 2P Single 1 x SH1.0mm 5P Single 1 x SH1.0mm 6P Single 1 x SH1.0mm 5P Same Direction Double 1 x SH1.0mm 6P Same Direction Double 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.