This is a well designed chassis for Arduino mobile robot development kit platform. You can build it and program it easily with tons of published free codes. The high-strength body provides flexibility in rapid movement particularly in outdoor grass, gravel, sand or sloped surface. The intelligent robot car chassis kit comes equipped with larger diameter tires and more aggressive tread pattern and a slimmer track to climb over obstacles easier.

Product Features:
Mechanical structure is simple, very easy to install
The car comes with tachometer encoder
A four AA sized battery tray allows convenient power supply to the entire system.
On/Off switch for powering on and off the modules
Highly modular system ready to accept Arduino boards and chipset
Can be used for distance and velocity measurement

Motors:

Note: motor power supply is 3V~6V. All the parameter above is tested without load

Package list :