Features: Gear Stepper Motor DC 5V 4 Phase Step Motor Reduction Step Motor Brand new and high quality. Diameter: 27mm. Voltage: 5V. Step angle: 5.625 x 1/64. Reduction ratio: 1/64. 5 lines cable 4 phase stepper motor can be driven by ULN2003 chip. It also can be connected as 2 phase to use. Specification: Original box: No Color: Silver Item size: 31*27*19mm Net weight: 35g Package weight: 44g Packing content: 1 x Stepper Motor