Voltage: dc 0.5-6v;rated speed: 15000 rpm motor body diameter: 27mm/1.06″;mounting hole distance(center to center): 15mm/0.59″ shaft size: 10×2.0mm/0.39″x0.08″(L*D);motor body length;38mm/1.46″ perfect for mini fan,electric toys and science experiments .will work with many power sources batteries and solar cells

Motor Specifications:

• Operating Voltage: 4.5V to 9V
• Recommended/Rated Voltage: 6V
• Motor Size: 27.5mm x 20mm x 15mm Weight: 17 grams Shaft Diameter: 2mm/0.07inch
• 3 v speed: 17000-18000 revolutions per minute
• Best DC Motor for DIY Projects and Models

Package includes: 20 x Mini DC Toy Motor 4.5V to 9V