The A2020 is a digital high performance nanolite servo for slow flyer aircraft and is compatible with Spektrum AR6300 and AR6310 series receivers that accept the JST-ZHR connector. It also includes an adapter to Z-connector for standard receivers. Slow flyer aircraft flyers will want the A2020 digitalservo for its great control surface centering and the unmatched precision it provides for aggressive 3D flight.