A brushless motor is an electric motor without brushes, which offers a higher efficiency, lower wear, and reduced weight compared to a brushed motor. RTR - Ready to Run - These models are ready to use straight out of the box. You receive a complete package with a pre-assembled model, a compatible transmitter, a battery, and a charger. Due to its ease of use, this type is ideal for beginners entering the world of model sports. Difficulty level: Beginner - No special prior knowledge in model building is required for this product. The necessary materials for completion and commissioning are usually fully included in the delivery.