Samson takes the worry out of wireless with the frequency-agile Concert 99 Presentation UHF Wireless System. The Concert 99 Presentation offers easy setup with a dynamic user interface, exceptional durability and premium sound quality. The result is unprecedented value for presenters, educators and others in search of reliable wireless freedom.Enabling a best-in-class 300' wireless range, the Concert 99 Presentation system features the all-metal, rack-mountable CR99 Wireless Receiver. The CR99 has a backlit LCD that provides convenient monitoring of transmitter battery life, operating channel (96 total channels available) and audio levels, particularly in dark environments. Capable of supporting up to 16 systems simultaneously (region dependent), the receiver also provides 1-touch Auto Scan for ultra-fast setup. Lastly, the CR99 also features IR set technology to wirelessly match the operating channel of the transmitter to the receiver.The CB99 Beltpack Transmitter features a Samson LM5 Lavalier Microphone with a locking connector. The transmitter, which can operate for up to eight hours on two AA batteries, was meticulously crafted to meet the demands of serious performers.