Details:
 
- 3253937221681
- Category: Electronics
- Secondary: Electronics Accessories
Description:
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.