Features: 100% Brand NewFor Emax Original Product Based on For Simon K firmware further optimized to the perfect drive performance. Low-voltage protection over-heat protection and self-check functions. Separate power supply for MCU andBEC enhancing the ESCs ability of eliminating 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 or switch BEC. Max speed: 210000 rpm for 2-pole 70000 rpm for 6-pole 35000 rpm for 12-pole. Specifications: Continuous Current: 12A Burst current (10S): 15A Li-xx Battery (cell): 2-3 Dimension (L*W*H): 25mm x 20mm x 7mm Weight wires Included: 9 BEC Mode: Linear BEC Output: 1A/5V Programmable: Yes Net Weight: 7g(approx.) Package Includes 1 x Simonk-12A ESC