Features: 1. Automatically detects center position. 2. Equipped with a high-frequency drive system. 3. Includes overheating protection, low-voltage protection, and low-resistance field effect transistor. 4. Forward and reverse functions for car and boat. 5. Suitable for RC cars and boats. Specifications: Condition: 100% brand new Product Type: RC Accessories Current: Forward 320A, Reverse 160A, Brake 270A Supported Batteries: For Ni-MH/Ni-Cd batteries: 4-6 sets (4.8V ~ 7.2V) For lithium batteries: 3 sets (7.4V - 11.1V) BEC Output: 5.6V, 2A (supplies power to receiver and servo) Size: Approximately 43 * 29 * 27 mm / 1.69 * 1.14 * 1.06 in Weight: Approximately 45g Instructions: 1. Connect power correctly; the red wires on both ends of these wiring boards are positive, black wires are negative (or connect to a standard DC battery connector: banana plug) 2. The red and black output wires of the ESC must be connected to the red and black wires of the car motor. 3. Turn on power for the ESC; the motor will emit a "pip" sound and then power up the transmitter.