ITEM NAME:DC 6V 12V Full Metal Gear Box 32-64RPM With Encoder speed For Smart Car Robot OZ 100% Brand New and High Quality ! Rated voltage]: DC 12V No-load Current: 50 mA Blocking Current: 1A No-load Speed: 64 rpm Suitable Voltage: 6-12V (32-64 rpm) Deceleration ratio: 1:110 Package Included:1 Pcs.Deceleration ratio: 1:110. No-load Speed: 64 rpm.