Hardware compatible with StepStick and Pololu A4988Drive capability up to 1.7A (RMS) continuous coil current - 2.8A PeakStep/Dir interface with microstep interpolation (up to 256 microsteps)Configuration via CFG pins or UART interfaceMotor voltage: 5.5-28VLogic voltage: 3.3-5VRSense: 0.11 OhmstealthChop2 - for quiet operation and smooth motionspreadCycle - highly dynamic motor control chopper (enableable via UART, OTP, CFG Pin) coolStep - current control for energy savingsstallGuard4 - sensorless motor load detectioncolour: whiteMaterial: PCB+metalPackage Contents:5 x drives (with matching cable, cable random colors, don't accept the specified color)5 x heatsink1 x screwdriver (random colors and style, don't accept the specified color and style)Only the above package content, other products are not included.Note: Light shooting 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.