12A ESC electronic speed controller with 5V/1A BEC &amp; simonk firmware for QAV250 330 quadcopter multicopter. Build-in Simonk firmware to achieve perfect driving effect.<br><br>Features:<br>Built-in 5V/1A BEC<br>The ESC is special for multicopter design<br>Super smooth and accurate throttle linearity<br>Based on Simonk firmware, suit for 3D flying performance<br>Throttle range can be configured to be compatible with different receivers<br>Supports high RPM motors, can be matched with most of the motors in the market<br><br>Specifications:<br>Continous current: 12A<br>Burst current: 15A<br>BEC: 5V/1A BEC<br>Power supply: 2-4S LiPo battery<br>Suit for: QAV250 330 quadcopter multicopter<br>Weight: 9g (with cable)<br><br>Package Information:<br>Package size: 11 * 8.5 * 1cm / 4.3 * 3.3 * 0.4in<br>Package weight: 12g / 0.4oz<br>Adhesive tape package<br><br>Package List:<br>1 * 12A ESC