ITEM NAME:28BYJ-48-5V 4 Phase 5 Wire DC 5V Gear Step Stepper Motor P7E1 28BYJ-48-5V 4 Phase 5 Wire DC 5V Gear Step Stepper Motor P7E1 Product Name : Step Motor;Type : 28BYJ48;Voltage : DC 5V Resistance : 300 Ohm;Step Angle : 5.625 x 1/64;Reduction Ratio : 1/64 Body Size : 28 x 19 mm / 1.1" x 0.75" (D*T);Shaft Dia. : 5 mm / 0.2";Cable Length : 23 cm / 9" Mount Hole Dia. : 4 mm / 0.16";Mounting Hole Distance : 35 mm / 1.38";Main Material : Metal, Plastic Main Color : Silver Gray, Blue;Net Weight : 38g;Package Content : 1 x Step Motor Step motor, 4 phase 5 wire, DC 5V voltage, can be driven by ordinary ULN2003 chip, great replacement. Note:Light shooting and differnent displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is  ±1-3 cm..Resistance : 300 Ohm;Step Angle : 5.625 x 1/64;Reduction Ratio : 1/64. Mount Hole Dia. : 4 mm / 0.16";Mounting Hole Distance : 35 mm / 1.38";Main.