- This 2WD Round Robot Car Chassis has powerful scalability and complete variety of functions. It has 130 strong magnetic moments of the DC gear motor, the engine acts not like a toy, it is two to three times the normal engine. Torque ensures 1:48 and 1: 120 ratio rate choice speed. The greater the load, the stronger.
- Mechanical structure, easy to install.
- This car has a tachometer encoder.
- With 2 AA battery box.
- Can be used for distance measurement, velocity.
- Can use with other devices to realize the function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control.
- Gear Motor reduction radio: 1:48.
- Note: the motor power supply is 3V~6V.
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