4WD Smart car chassis

Complete set of smart car package
To meet the requirements of customers, we developed  4WD speed measuring car base on 2WD one, achieve perfect tracing and obstacle avoding function together with related modules in our store

Parameters:
Model: ST-4WD
power supply: 9v
Single tier

Shipping list:
Organic plate (1 piece)
TT motor: 4
racing car wheel: 4 (yellow)
several fasteners, screws and Cu Pillars