Position/speed/torque closed-loop, capable of high-speed operation without losing steps. Field-Oriented control for low noise, low vibration, and low heat generation. Equipped with 4 half-bridge drivers and 8 MOSFETs for high operating efficiency. 14-bit magnetic encoder provides high angle resolution. Supports 1-256 step subdivisions, including odd values such as 11. Material: plastic Color as shown Maximum speed: 1000 RPM. Compatible with motors having 0.9 or 1.8 degree step angles. Maximum printing speed reaches 150-180 mm/s. Easy to install and wire. Features USART interface for serial connection to a computer, enabling parameter adjustment and query. Specifications: Board Type: MKS SERVO42C V1.0 Microprocessor: Cortex-M0+ Input Voltage: 7V-28V Encoder: 14-bit Magnetic Encoder Adjustable Current Range: 0-3000 mA Subdivision: 1-256 (default 16) Maximum Speed: 1000 RPM Angle Resolution: 0.08 degree Update Frequency: Position 10 kHz / Velocity 10 kHz / Torque 20 kHz PCBA Size: 39 x 35.8 mm / 1.54 x 1.41 in Package Contents: 1 x Stepper Motor Set Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed within +/- 1-3 cm.