Feature:1. Can be used in DIY small sliders, projects, measuring equipment, laser printers.2. This product is miniature 2phase 4wire stepper motor with planetary gearbox reducer.3. Planetary gearbox reducer adopts all metal structure, strong and durable, has a long service life.4. Drive accurate diagonal lines to move the metal slider up and down, and the bracket is basically made of metal structure.5. The driving voltage of the motor is 5and 8209 9V or 200and 8209 600mA, the higher the voltage, the greater the force and the greater the heat.Specification:Item Type: Stepper MotorMotor Type: 2-phase 4-wire systemDrive Voltage: 5-9V or 200-600mA (the higher the voltage, the greater the force, the greater the heat)Screw Length: Approx. 45mm or 1.8inSlider Stroke: Approx. 34mm or 1.3inMotor Diameter: Approx. 20mm or 0.8inScrew Diameter: Approx. 3mm or 0.1inScrew Pitch: Approx. 0.5mm or 0.02in (moving 0.025mm in one step, subdivision drive can be used if smaller)Step Angle: 18Phase Resistance: 21Blue AandBlack BandRed B-Yellow A-.Package List:1 x Stepper MotorNote:Note 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.