Input voltage : 6-14 NiCad and NiMH cells (7.2 to 16.8 volts DC)4-cell LiPo (14.8 volts DC)Case Size : 2.27"W x 2"D x 1.05"HWeight : 3.6 ouncesMotor Limit (540 size) : 10-turnsMotor Limit (550 size) : 12-turnsOn-Resistance (@Trans)–FWD/REV : 0.004 ohms / 0.004 ohmsRated Current–FWD/REV : 180 amps / 180 ampsBraking Current : 360 ampsContinuous Current (at 100°F amb.) : 30 AmpsReverse Delay : NoneBEC Voltage : 6.0 volts DCBEC Current : 2.5 ampsPower Wire : 14 Gauge / 3"Input Harness Wire : 26 Gauge / 9.5"Motor Wires : 14 Gauge / 4"Transistor Type : MOSFETPWM Frequency : 1700 HzThermal Protection : Thermal shutdownProfile selection : Sport Mode:100% fwd, 100% brakes, 100% rev.Race Mode:100% fwd, 100% brakes, no rev.Training Mode*:50% fwd, 100% brakes, 50% rev.Single-button setup : Yes, Traxxas EZ-Set®