This ESC is capable of supplying up to 320A(forward) or 160A (backward) of continuous motor current when connects to the motor. It is small but powerful, which can be used for different type of RC car or boat. Features: Powerful ESC supports 2~3S Li-po battery and 5~9S Ni-MH battery. Small size of 4.3 * 2.9 * 2.7cm and 45.5g weight don't give a great burden to your car or boat. Universal Type allows it apply to different type of boat or car. High-frequency drive system and Low-resistance field effect tube. High current capability of 320A(forward) 160A (backward) makes it suitable for various condition. Automatic cutoff of the motor power to preserve receiver power when battery depletes. Any problem, please contact our store without hesitation. Honor to serve you. Specifications: Item Name: 320A Brushed ESC Color: Black Item Size: 4.3 * 2.9 * 2.7cm Item Weight: 46.5g Compatible: 540/550 Motor Supported Battery: 2~3S Li-po battery and 5~9S Ni-MH battery. Current Parameters: forward 320A, reverse 160 A, brake 270A BEC Output Voltage: 5V/2A Suitable for: 1:10 Crawler, RC boat Package Information: Package Weight: 50g Package Size: 13 * 9 * 3.5cm / 5.11 * 3.54 * 1.37in Polybag package Note: * This brush motor speed controller shouldn't be used exceed 380 motors of 12V and 540 motors of 8.4V. Package List: 1 * 320A Brushed Motor Speed Controller ESC