Item Type: Stepper Motor_x000D_Motor Type: 2-phase 4-wire system_x000D_Drive Voltage: 5-9V/200-600mA (the higher the voltage, the greater the force, the greater the heat)_x000D_Screw Length: Approx. 45mm / 1.8in_x000D_Slider Stroke: Approx. 34mm / 1.3in_x000D_Motor Diameter: Approx. 20mm / 0.8in_x000D_Screw Diameter: Approx. 3mm / 0.1in_x000D_Screw Pitch: Approx. 0.5mm / 0.02in (moving 0.025mm in one step, subdivision drive can be used if smaller)_x000D_Step Angle: 18_x000D_Phase Resistance: 21_x000D_Blue A+Black B+Red B-Yellow A- 1Can be used in DIY small sliders, projects, measuring equipment, laser printers. 2This product is miniature 2?phase 4?wire stepper motor with planetary gearbox reducer. 3Planetary gearbox reducer adopts all metal structure, strong and durable, has a long service life. 4Drive accurate diagonal lines to move the metal slider up and down, and the bracket is basically made of metal structure. 5The driving voltage of the motor is 5‑9V/200‑600mA, the higher the voltage, the greater the force and the greater the heat.1 x Stepper MotorNote that it is a stepper motor, it will not turn when directly connected to the power, and a stepper motor driver board and control board.