Nitro Bee Xtreme UHF Race Receiver, is designed for ease of use and loud clarity. An ideal choice for dirt track, circle track, road racing drivers, teams, and track officials, particularly where one-way race receiver is mandated. Nitro Bee Xtreme can also be utilized as training aid, providing one-way communications directly into a rider's helmet. This receiver distinction includes its included stereo earbuds and electronic speaker amplifier for superior voice clarity, fast USB charging and long lasting Lithium-ion battery, and a function that gives Race Control audio priority. It uses UHF Frequencies between 400-480mHz, both analog and digital, offers a clear backlit display, simple interface, an adjustable tone codes, the ability to scroll through preprogrammed channels or program your own, and a button lock to prevent accidental changes. The package includes Nitro Bee Xtreme UHF Race Receiver, Clear Hear Stereo Ear Buds, USB-C to USB charge cable, and a Belt / Harness Clip. This receiver works with UHF 400-480mHz frequencies and is pre-programmed with Rugged Radios UHF frequencies. A three year warranty is also offered.