Features 1、Auto hover can be realized by one key 2、Four flight modes: normal, auto-balance, auto-hover and gyro off modes 3、Three kinds of wing: standard, delta-wing (flying-wing) and V-tail 4、Three working frequencies for servos: 50Hz, 125Hz and 250Hz 5、Separated gain adjustment for each flight mode, automatic stick centering Specification Features: Auto hover can be realized by one key. Four flight modes: normal, auto-balance, auto-hover and gyro off modes. Three kinds of wing: standard, delta-wing (flying-wing) and V-tail. Three working frequencies for servos: 50Hz, 125Hz and 250Hz. Separated gain adjustment for each flight mode, automatic stick centering. In support for Futaba S.Bus / S.Bus 2. Easy to use, extremely suitable for beginners. Specification: Item Name: A3 flight controller Material: Metal Servo Travel: 1520 ± 500μs Gyroscope: ± 2000dps Accelerometer: ± 4g Operating Temperature: -40 to 85 degree Size: Approx. 43 * 27mm / 1.7 * 1.1inch Weight: 29g Type: RC Model Vehicle Parts & Accs Package List: 1 * Flight Controller Stabilizer 1 * Set of Parts 1 * Manual Package List