- 2.4 GHz FHSS5 Spread Spectrum System 4ch- Compatible with Telemetry (Cannot connect RPM or Temperature sensor)- Compatible with SSL (SUPER VORTEX Series, etc...)- Ultra Response Mode (SUR)- Extreme Response Mode (SXR)- Waterproof- The smallest and most light receiver in the class- Plug in Bind- Short Coaxial Antenna- Indicator function can check signal strength