Features: Great for teaching demonstrations.
Voltage: DC 0.1-24V; Rated speed: 20-6000 RPM
Motor body diameter: 24.5mm/0.96"; Motor height: 34.2mm/1.34"
Shaft size: 13.5x2.0mm/0.53"x0.08"
Small, great for presentations, great teaching tool for wind power.

Specifications: Material: Plastic + Electronic Components
Weight: 53g
Power Generation Mode: DC
Output Voltage: 0.1-24V
Output Current: 0.01-0.4A
Rated Speed: 200-600 rpm
Motor Diameter: 24.5mm/0.96"
Motor Height: 34.2mm/1.34" (including front and rear bearing sleeves)
Output Shaft Diameter: 2mm/0.08"
Output Shaft Length: 13.5mm/0.53"
The Total Diameter of the Fan 90mm/3.54"
Aperture of Fan 1.95mm/0.07"

Package Includes: 1x Micro Wind Generator

note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.