Net Weight: 617g

Size: 22 x 12xm(L x W); Wheel Size:6.5cm (Dia.) x 2.7cm (H)
Mechanical structure is simple, it is easy to install.
This car is the tachometer encoder
With a 4 AA battery box and power switch. (Batteries not included.)
Can be used for distance measurement, velocity.
Can use with other devices to realize function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control.
Gear Motor reduction radio: 1:48.
Note: motor power supply is 3V~6V. All the parameter above is tested without load.