Features: 30A Bidirectional Brushed ESC for Remote Control Car Remote Control Boat. Function: Forward, Reverse, Brake. Throttle position error inhibit start. Automatically learn throttle travel. Power off by error signal. The receiver gives no signal alarm and turns off the output. If there are any problems, please contact our store in time. Specifications: Item Name: 30A Bidirectional Brushed ESC Function: Forward, Reverse, Brake Working Voltage: 3.0V-9.4V Current(A): 30A Driver Frequency: 2KHz Input: Li-Po 2S / Ni-Mh/Ni-cd 4-7Cell Constant Current 20A Max 25A< 30s Pulsed 50A< 5s Brake On /with Brake This ESC can work with 130/180/260/280/380 Brush Motor Note: * There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Package Information: Package Size: 5*5*1cm Package Weight: 20g Plastic Package Package List: 1*30A Bidirectional Brushed ESC