- 4-Terminal Master Control: This robust 4-channel master unit delivers a 7.4V output with a 500mA battery capacity, providing reliable power for up to 4 motors simultaneously. - High-Speed Performance: Equipped with 2 powerful M motors, this motor kit ensures high RPM and medium torque, allowing for quick acceleration and responsiveness. It supports both forward and backward movement for versatile applications. - Universal Compatibility: The entire set is designed to integrate seamlessly with most building block cars available today, making it easy to enhance your existing models without the need for complex modifications. - Dual Remote Control Options: Take advantage of both Bluetooth remote control and mobile app functionality. Control the vehicle's movement (forward, backward, left, right) effortlessly. The system includes a switch for toggling between positive and negative directions. Note that the remote control requires 2 AAA batteries (not included). - Ideal Applications: - Upgrade your DIY building block creations for competitive racing scenarios. - Perfect for educational purposes, encouraging kids to explore robotics and engineering concepts. - Enhance your hobbyist projects by integrating advanced controls for greater functionality. Enjoy superior performance, simple controls, and broad compatibility with this essential building block motor power supply kit, guaranteed to elevate your projects.