Description The item is a professional and practical 320A brushed motor controller ESC, which is capable of supplying up to 320 Amps (forward) or 160Amps (backward) of continuous motor current when connected with motor. Its integrated Battery Eliminator Circuit (BEC) powers the receiver from the motor battery, with automatic cutoff of the motor power to preserve receiver power as the battery becomes depleted. It is small and powerful, which can be used for different type of RC ship or car. Features - Color: mainly black.- Shell material: durable hard plastic.- Size: 43 x 29 x 27 mm.- and 7.4-11.1V 320A Brushed Motor Controller ESC.- Applicable for RC ship, cars, boats, truck, etc.- Automatically find the center position.- High-frequency drive system.- Low-resistance field effect tube.- Battery support: Ni-MH, Ni-Cd: 4 - 6 groups ( 4.8V ~ 7.2V); Lithium battery: 3 groups (7.4V - 11.1V).- Current parameters: forward 320A, reverse 160A, brake 270A.- BEC output: Voltage: 5.6V, Current: 2A ( supply electricity for receivers, servos ) Instructions 1. Connect to the power battery correctly, the red wires at both ends of this wiring boards are positive, black ones are negative. ( or connect to a standard DC battery plug male plug /T plug /banana plug).2. The output red and black lines of ESC need to be connected to the red and black lines of car 540 motor3. Open the ESC power switch, then the motor produces a "beep" sound, and then turn on the transmitter power, the motor will produce a "duo - la - mi" sound which proves that the signal and ESC have been successfully connected.Packing list: 1 * 7.4-11.1V 320A Brushed Motor Controller ESC for RC Car Ship Truck Boat (Black)