Description:Stepper motors with a standard interface, can plug directly, very easy and convenientUse with ordinary ULN2003 chip driver(Included), connect to the 2 phase, support the development board, direct docking.A, B, C, D four-phase LED indicates the status of the stepper motor work.Stable and reliable performance,excellent quality and long service life Specifications:Product Name: Coreless Vibration MotorRated Voltage: DC 5VBody Size: 42x30x29mm/1.65x1.18x1.14inch(L*W*H)Shaft Size: 5 x 8mm/0.2 x 0.31inch(Dia*L)Mounting Hole: 4mm/0.16inchMount Hole Center Distance: 35mm/1.38inchCable Length: 245mm/9.65inchDriver Board Size: 32x34x11mm/1.26x1.34x0.43inch(L*W*H)Weight: 40g Package1 x Stepper Motor with Driver Board