With this motorkit you acquire the base for your robot project. The high-quality processed components can be operated with a voltage between 3 and 5 volts. The 4 gear motors can reach a maximum speed vonn 300 revolutions per minute at a torque of 1200 (gf/cm). The rubber tires with profile are very stable and resistant. At any motor unit is still a speed sensor set. 2 bump sensors round off this basic package. More detailed technical details of the individual components, you can downlaod the info files in the menu. https://elecena.pl/product/28015925/joy-it-robot-car-kit-for-arduino-raspberry-pi 2025-03-12 https://elecena.pl/product/28015925/joy-it-robot-car-kit-for-arduino-raspberry-pi 2025-09-17