The optimized dual drive ODESC3.6 motor controller board kit is of high performance, wide application, safe use, different modes and rapid heat dissipation. It's an excellent module kit designed for people who have a certain level of knowledge in electric circuit and are insterested in DIY. Note: Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding. Specifications: Main Color: Black & Green Main Material: ABS ' PCB Hardware Version: ODESC3.6 Dual Drive PCB: 4 Layers (4 x 2oz) Applicable Voltage: 8-56V Current: 50A Continuous (120A Peak) Support Encoder: Compatible with Incremental Encoder, Absolute Encoder, Hall Sensor, AMT102, AMT103, TLB5012, AS5047 Communication Interface: Compatible with USB -- Open Source Protocol (PC, Raspberry Pi, ROS), UART (Embedded Device), PWM (RC Remote Controller), STEP/DIRECTION (PLC), GPIO, CAN, ANALOG INPUT Item Size: 155 * 50 * 30mm / 6.10 * 1.97 * 1.18in Item Weight: 164g / 5.76oz Package Size: 19.5 * 12.5 * 3cm / 7.68 * 4.92 * 1.18in Package Weight: 264g / 9.29oz Package List: 1 * Motor Driver Board 1 * Power Resistor 1 * XT60 Male Head 1 * USB Cable 2 * 20AWG Resistance Wire 6 * 12AWG Motor Wire 2 * 12AWG Power Cable