This high quality 4 in 1 brushless ESC supports most of popular agreements, like Oneshot42and Multishot. It&#39;s light and well welded. Perfect for your QAV 250 220 180 280 rc quadcopter! This is definitely a deserved accessory for you.<br><br>Features:<br>With Blheli firmware<br>4 in 1 ESC, more easier to install and carry<br>Made of high quality PCB and metal plate, more resistant and durable<br>Support oneshot42 and multishot agreement<br>Suitable for QAV 220 180 250 280<br><br>Specifications:<br>Item name: 4 in 1 20A Blheli BEC Brushless ESC<br>Input voltage: 2-4S<br>Con.current: 20A<br>Peaked current(10s): 27A<br>BEC: 5V/0.5A<br>Programming: YES<br>Suiatable for: QAV 220 180 250 280<br>Item dimension: 90 * 40 * 8mm<br>Item weight: 24.9g<br><br>Package Information:<br>Package size: 12 * 10 * 1cm / 4.7 * 3.9 * 0.4in<br>Package weight: 29.6g / 1oz<br>Poly bag package<br><br>There may be some deviation due to manual measurement.<br><br>Package List:<br>1 * 4 in 1 20A Blheli BEC Brushless ESC<br>1 * Connecting cable