Operates voltage: 2.5 â€" 4.0 VDC
Rated voltage: 3.0 VDC
Rated rotor speed: 3500RPM
Insulation resistance:10Mohm Min
Direction of rotation: arbitrary direction
Dimensions: 4mm x 8mm(D*H)
Made for vibration alerts in cell phones and pagers
Comes with a removable rubber boot with two leads