Simonk-12A ESC Based on 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 and BEC, enhancing the ESC's 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: 210,000 rpm for 2-pole, 70,000 rpm for 6-pole, 35,000 rpm for 12-pole. 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 MT2204 2300KV Motor Features: 1. Low CG design, ligth weight design, longer flight duration 2. Factory has made dynamic balance test for each motor 3. Integreated processing between prop mount holder and motor cap 4. Adopts Japan NMB bearing, with low noise and longer lifetime 5. Adopts Japan 0.2mm spindle, with high efficiency and low heat Specification: Franmework: 12N14P KV: 2300 Length: 32.2mm Diameter: 27.9mm Lipo battery: 2-3S Max. Thrust: 440g Prop suggest: 5-6 inch Weight: 25g Suitable for: 280mm wheelbase mini quadcopter, light weight fixed-wing copter, indoor 3D airplane 1 x 280mm Carbon Fiber 4 Axis Mini Quadcopter 1 x CC3D Flight Controller 4 x MT2204 2300KV Multicopter Motor 4 x Simonk 12A ESC 4 x 6*3 6030 Carbon Fiber Propeller(2pcs CW + 2 PCS CCW) 100% Brand New