Feature:1. Good Performance: This 42 closed loop motor driver adopts magnetic field directional control, with low noise, low vibration and low heat generation.2. 4 Half Bridge Drives: This 42 closed loop motor driver utilizes four half bridge drives with 8 MOSFETs for high efficiency.3. 14 Bit Magnetic: This 42 closed loop motor driver has 14 bit magnetic with very high resolution, making the driver very sensitive.4. High Speed: This 42 closed loop motor driver has a high speed of 1000RPM, and when installed in a printer, the print speed can reach 150 to 180mm/s.5. Easy Installation: This 42 closed loop motor drive is very easy to install and wire, you just need to connect the wiring to the appropriate device.Specification:Item Type: Servo42C PCBA Motor Driver KitMaterial: PCBType: for MKS SERVO42C V1.0Microprocessor: for Crotex-M0+Motor Driver: 4 Half Bridge Drivers with 8 MOSFETsInput: 7V-28VAdjustable Current: 0-3000mASubdivision: 1-256 ( Default 16)Maximum Speed: 1000RPMResolution: 0.08 DegreeUpdate Frequency: Position: 10Khz, Torsion: 20Khz.Package List:1 x Motherboard1 x Driver2 x Connection Cable1 x Hex Wrench4 x Screw4 x Isolation Post1 x Radial Magnet