A. Supported motors: - For 2S: 540, 550 or 775 brushed motors (12T or above, or speed less than 30,000 rpm/7.2V). - For 3S: 540, 550 or 775 brushed motors (18T or above, or speed less than 20,000 rpm/7.2V). - For 4S: 540, 550 or 775 brushed motors (24T or above, or speed less than 15,000 rpm/7.2V). B. Specification parameters: - Voltage: 2 - 4S or 5 - 12 Ni - MH batteries. - Continuous current: 80A forward, 60A reverse. - Peak current: 480A forward, 300A reverse. - Built - in voltage regulator circuit (BEC) of the electronic speed controller: 5V / 3A, linear mode. - Modes: 1. Forward and reverse rotation. 2. Forward rotation and braking. 3. Forward rotation, braking and reverse rotation. C. Application scenarios: 1/8 scale remote - controlled cars, trucks, climbing cars, off - road karts, etc. D. Color: Blue E. Material: Plastic + Metal F. Dimensions: 42 * 28 * 36 mm G. Package contents: - 1 electronic speed controller (ESC). - 1 instruction manual. Note: Only the above package contents are included, and other products are not included. H. Precautions: Light and different monitors may cause slight differences between the color of the item and the actual one. The measurement error is allowed to be ±1 - 3 cm.