Features:- Adjustable speed, can achieve positive and negative, low noise. - Motor teeth are not easy to slip
- Can make your smart car error is small, take a straight line;
- Best choice for smart robot car.
- Size: 70.15mm x 22.33mm x 18.53mm
- Rated voltage: DC 5V
- No-load speed 200rpm±: 10%
- Gear ratio: 1 to 48
Package Included:2 x TT Motor