Compatibility: AT9,AT9S, AT10, AT10II Channels: 10 channels S-Bus / PPM Channel output: S-Bus Working voltage: 4.8 - 6v Working current: 38 - 45mA @ 5v Precision: 4096 , 0.25us per section Control distance: 600 meters, actual control distance depends on the environment used in Detachable antenna