Description: 5V stepper motor 4-phase 5-wire stepper motor New stepper motor/gearmotor 28BYJ-48-5V Deceleration stepper motor Diameter: 28mm/1.10inch Voltage: 5V Step angle: 5.625 x 1/64 Reduction ratio: 1/64 5 line 4 phase can be driven by ordinary uln2003 chip, or can be connected to 2 phase. It can be used with supporting board, directly plugged in, easy to use. Stepper motor is made on the development board. Package Includes: 1 piece Gear Stepper Motor