Specifications Operating Voltage: 2.2 ~ 3.6V DCRated Voltage: 3.0V DCRated Speed: 12,000 @ 2,500rpmRated Current: 90mA maxStall Current: 120mA maxStarting Voltage: 2.0V DC maxMechanical Noise: 50db(A) maxWeight: 2g approx.Dimension: 12 x 6 x 3.6mm