This reliable and affordable 1.5 micro vibration motor with off-balance vibration weight is perfect for hobby electronics and robotics projects requiring vibration. It comes with blue 1.75 inch (4.5cm) and red 1.25 inch (3.2cm) wire leads already soldered for easy connection to your circuit. Use it with 1, 2 or 4 AA batteries in series (see battery holders below in related products) or with a solar cell.
Perfect for robotics projects, solar or battery powered cars, brush bots, fans and wind mills, and more.
Features:
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

Pat Stanley from Logan Ohio USA