ITEM NAME:20a RC ESC Brushed Motor Speed Controller for Scale RC Car Boat with Reverse Description: 100% brand new This equipment is used in the electric vehicle model and the range configuration is selected according to the following information. Automatic search center HF drive system Low resistance field effect inner tube Car with forward and reverse functions, boat Specification: Support: nimh nickel-cadmium battery 4-6 group (4.8-7.2 V) lithium battery 2 groups (7.2 V) Input signal: PPM Driving frequency: 2 KHz Continuous: 20A 30 seconds: 25A 5 seconds: 50A Size: 24x23x5mm Weight: 11 grams Use: for 130/180/250 brush motor Package Includes: 1 Piece 20A Double-sided Brushed ESC SKU: FUZ0010726761025558.1 Piece 20A Double-sided Brushed ESC. Continuous: 20A. Car with forward and reverse functions, boat. Use: for 130/180/250 brush motor. Driving frequency: 2 KHz. Low resistance field effect inner tube.