Features: Exquisite workmanship, manufactured and tested to highest standards. Receiver for FS-ST8 remote controller. Adaptive models: RC car, helicopters, gliders, engineering vehicles, robots. The package includes a receiver. 8CH, RF 2.4GHz ISM, data output: PWM/PPM/i-BUS/S.BUS. Size: 44.8*26.6*11.3mm. If there are any problems, please contact our store in time. Specification: Brand: FLYSKY Product Model: FS-SR8 Adaptive Transmitter: FS-ST8 (Adapts Transmitter with ANT Protocol ) Adaptive Models: Helicopters, Gliders, Delta-wing airplanes, Multicopters, Engineering Vehicles, Robots, Cars or Boats, etc. Numbers of Channel: 8 Maximum Power: < 20dBm (e.i.r.p.) EU RF: 2.4GHz ISM 2.4GHz Protocol: ANT Distance: >1000m (Air Distance without Interference Antenna Type: Two Antennas Input Power: 3.5~9V/DC Data Output: PWM/PPM/i-BUS/S.BUS Online Update: Yes Temperature Range: -10 ~ +60 Humidity Range: 20% ~ 95% Size: 44.8*26.6*11.3mm Package Information: Package Size: 15*7*1cm Package Weight: 20g Plastic Packaging Packing List: 1* FS-SR8 Receiver