GOUPRC Upgarde Transparent 2204 2400KV Brushless Outrunner Motor with Mount & 30A Brushless ESC Combo Kit for SCX24 Axial 1/24 Remote Control Crawler Truck Car Upgrade Transparent Bushless ESC & Motor- New upgrade double lights ESC for better use: green signal light and power light. Distinctive lighting displays help monitor signal connection issues during operation. For specific connection and lighting functions, please refer to the images and manual. This ESC remains programmable. If you encounter any issues not described in the manual that cannot be resolved, please contact customer service at any time, and we will provide assistance and support promptly. Upgrade Different Speeds: Low speed: linear and smooth, high torque, quieter operation. HIGH SPEED: explosive and fast, our 2204 version provides better racing/climbing performance for your Remote Control car/truck/track vehicle. Excellent Performance: 2S Lithium batteries to keep your rc car runs smoothly and powerful in low or high speed. Metal-made 30A ESC, faster heat dissipation and long durability. Package Includes: 30A brushless ESC*1, brushless motor*1, motor mount*1. Note: When connecting the ESC to the remote control, if the device light keeps blinking and beeping, please check whether the CH2 channel on the remote control is in the neutral “0” position? If not, adjust it to “0”, or adjust it slightly around the “0” position to work normally. If you still encounter problems, please contact customer service, we will be ready to help.