Features: Continuous Output Current: 20A Max Current: 39A Weight :27g Dimensions: 45.0*26.0*8.0mm Current(A):20-25 BEC :2A PWM:8K Li-Po :2-3 Ni-Mh/Ni-cd :4-10Ni-Mh Continuous Output Current: 30A Max Current: 40A BEC Power: Yes Cut Off Voltage: 4V BEC: Yes BEC Power: 1.5A/5V Reset: Throttle Lowest Con. Li-Po :2-3 Ni-Mh/Ni-cd :4-10Ni-Mh Size: 57mm x 25mm x 8mm Net weight: 27g Color: Yellow Continuous Output Current: 40A Max Current: 50A DC:7V-14.8V BEC:3A / 5V (Switch) Size: 50mm x 28mm x 7mm Net Weight:28g High rate PWM : 8K Li-Poly: 2-3\nNi-Mh/Ni-cd:4-10Ni- MH Original box: NO Color: Yellow Net weight: Package weight: 38g Packet content: 100% Brand New 1 x Speed Controller ESC