10Pcs 4 Phase 5-Wire 5V DC Stepper Motor For Arduino Description : Model:28BYJ-48 Diameter: 28mm Voltage: 5V DC Phase:4 Wire Length :23.5CM Step angle: 5.625 x 1\/64 Reduction ratio: 1\/64 5 lines cable 4 phase stepper motor can be driven by ULN2003 chip， can also be connected in phase 2 development board used for supporting the use of a direct plug and easy to use stepper motor used in the development board Weight:34g Package included : 10 x Stepper Motor