... ~80V2.Output current:2~6A3.Mircostepping:1(1.8º),1/2,1/4,1/8,1/16,1/32,1/64,1 ... 200HZ.6. Dimensions:147mm*97mm*30mm7.Weight:600g8.Working environment:Temperature-15~40°C Humidity<90%.I/O Ports:1,VCC ... free The interface seethe right picture.NOTE:1, When ambient temperature is high or working current over 3A, fix the module ...