Emax 12A ESC Brushless Speed Controller with 5V/1A Linear Mode Switch for F250/300 Quadcopter Multicopter<br><br>Features:<br>Can be programmed by program card or transmitter<br>Based on simon K firmware, futher optimized to the perfect flying performance<br>Max speed: 210,000 RPM for 2 pole, 70,000RPM for 6 pole, 35,000 RPM for 12 Pole<br>Seperate power supply for MCU and BEC, enhancing the ability of eliminating magnetic interference<br><br>Specification:<br>Constant Current: 12A<br>Burst Current: 15A<br>BEC: Linear mode 5V/1A<br>Input Volt: 2S-3S LiPo battery<br>Item size: 25 * 20 * 7mm<br>Item weight: 9g<br><br>Package Information:<br>Package size: 11 * 7 * 1.5cm / 4.4 * 2.8 * 0.6in<br>Package weight: 21g / 0.75oz<br>Adhesive tape package<br><br>Package List:<br>1 * EMAX 12A ESC