●Built-in Antenna receiver * The Receiver is for 1/10 and 1/12 scale electric cars. ●2.4GHz FHSS5 (FH5) and FHSS5U (FH5U) Spread spectrum system 4ch ●Telemetry compatible *RPM sensor (STS-11R) and temperature sensor are NOT compatible. RPM and temperature telemetry are only capable with SANWA SUPER VOTEX series. *FH5U RF mode is not capable to use telemetry. ●SSL support (ESC: Super Vortex Series, PGS Servo Series, etc.) ●Dual ID ●Waterproof