High step accuracy and resolution. low vibration and noise. Stable and reliable performance, high efficiency Excellent quality and long service life Widely used on fan, warm air blower, electric heaters, burn oven, stage lighting equipment, microwave oven, lighting, Christmas gifts and other kinds of electrical appliances. Features: A, B, C, D four-phase LED indicates the status of the stepper motor work. Stepper motor with a standard interface, when used directly pluggable. 5 line 4 phase can be used for ordinary ULN2003 chip driver, connect to the 2 phase , support the development board,With convenient use, direct docking. Rated Voltage: DC5V 4-phase Insulation Resistance: >10MO (500V) Dielectric Strength: 600V AC / 1mA / 1s Step angle: 5.625 x 1/64 DC Resistance: 200O±7% (25C) Reduction ratio: 1/64 Insulation Grade: A No-load Pull in Frequency: >600Hz No-load Pull out Frequency: >1000Hz Pull in Torque: >34.3mN.m(120Hz) Detent Torque: >34.3mN.m Temperature Rise: «40K(120Hz) Noise: <40dB (120Hz, No load, 10cm) Package include: 2 x Drive Module Board ULN2003 2 x 28BYJ-48 Stepper motorWidely used on fan, warm air blower, electric heaters, burn oven, stage lighting equipment, microwave oven, lighting, Christmas gifts and other kinds of electrical appliances. High step accuracy and resolution. low vibration and noise, Stable and reliable performance, high efficiency; Excellent quality and long service life. Voltage: DC 5V; Phase: 4 phase 5 wire; Reduction Ratio: 1/64, The stepper motor with a standard interface, can directly plug and easy to use. 5 line 4 phase can be used for ordinary ULN2003 chip driver, connect to the 2 phase , support the development board,With convenient use, direct docking. A, B, C, D four-phase LED indicates the status of the stepper motor work.Date First Available: October 14, 2019. Best Sellers Rank: #23 in Telescope Motor Drives. Customer Reviews: 4.0 out of 5 stars 17 ratings 4.0 out of 5 stars. : B07Z4BCY34. Batteries Required?: ?No. Batteries Included?: ?No. Package Dimensions: ?4 x 3 x 1 inches. Item Weight: ?1.58 ounces. Manufacturer: ?Aoicrie.