Description Flysky ST8 2.4G UPGRADED with 1 Receiver Specifications: Channels: 8-10 Model: fixed-wing, delta-wing, glider, helicopter, multi-axis, FPV, car model, engineering vehicle, robot, boat Wireless frequency: 2.4GHz ISM Transmission power: <20 dBm Wireless protocol: ANT Range: >1000m (AIR) Channel resolution: 4096 Battery: 1.5AA * 4 or 2S(JST) Charging port: None Low voltage alarm: < 4.2V /7.2V Antenna type: Dual antennas Display: LCD 128*64 Data port:DSC, Type C Temperature range: -10 ℃ — + 60 ℃ Humidity range: 20% -95% Online update: Yes Dimensions: 176*210.9*82.5mm Weight: 420g p>Includes: Bearing assembly base Shoulder return to center wheel Keys on back JR bay adapter Setback Throttle pressure plate Assembly base throtlle return to center modification parts