New Smart Car Chassis 2WD / Robot Tracing Strong Magnetic Motor Car rt-4 / Avoidance Car with Code Disk for UNO
1. Full Taobao lowest acrylic car, cost-effective
2. Simple assembly, 5 minutes to complete the assembly.
3. Powerful scalability, complete a variety of functions of the smart car
4. 130 strong strong magnetic torque DC geared motor, not the motor acts as a toy, two to three times the normal torque motor provides 1:48 and 1: 120 ratio selectable speed than the speed the greater the load, the stronger
5. code disc from the original 10 cells, 20 cells upgraded to make double precision and strength
6. car information rich, providing a variety of test code
7. Quality send two 5 battery box, not the poor quality of the battery box to send tasteless