Team Power's Optional High end Sensor'd brushless speed control offer: Ultra smooth, precise throttle and braking control, compatible with sensor'd or sensorless brushless motors. Data analysis capability (RPM), low voltage and ESC temperture. "Hot" wire PC interface for advanced programming and updating. Easy programming through the included L.E.D. card. Built-in one touch ON/OFF switch with L.E.D. Built-in low voltage cut-off, Overheat protection and signal loss protection. Forward/brake and reverse, input: 2S, BEC: 6V/1.5A, 1/27 motor limit: 10000kv or less, max current: 20A per phase, 22x13x9mm footprint, 4.5grams, no wires