Description:Based on Simon K firmware， further optimized to the perfect driveperformance.Low-voltage protection， over-heat protection and self-check functions.Separate power supply for MCU and BEC， enhancing the ESC's ability ofeliminatiing magnetic interference.Parameters of the ESC can be set via program card or transmitter.Throttle range can be set to be compatible with different receivers.Equipped with built-in Linear BEC.Max Speed: 210，000 rpm for 2-pole， 70，000 rpm for 6-pole， 35，000 rpm for 12-poleFeature:Work Current: 40ABurst Current: 50A (10s)Battery Cell: 2~6s LipoDimension: 73*28*12mmWeight: 50g (wire included)Linear BEC: 3A/5VProgrammable: YES