32-bit DSP technologyUltra-low vibration noiseIs built with high segmentationautomatic setting of parametersPrecision current control makes the engine much less hotPower Input: AC24-80V or DC24-80VElectric power automatically stops when idleCan drive 4.6, 8-wire 2 phase stepper motorOptical isolation differential signal inputPulse response frequency up to 300KHz (higher adjustable)Current Settings are handy and can select between 2.4 and 7.2 (peak)4 bit dial code, a total of 16 subdivisionscolour:BlackMaterial:plasticPackage Contents:2 x Stepper Motor DriverOnly 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.