Uniden PRO505XL 6 Pack Brand New Includes One Year Warranty The Uniden PRO505XL is a compact sized 2 way CB radio that operates on 40 FCC approved AM frequencies. The CB radio features an easy to read signal/RF power indicator for checking the signal strength and backlit LCD screen for right channel display. The external speaker jack allows you to plug in an external speaker for better sound whereas the external PA jack allows for the connection of a PA speaker. The PRO505XL features an instant channel 9 function that enables you to quickly set the radio to the emergency/channel 9. The channel selector allows you to select the desired channel for transmission and reception. It also features front-positioned microphone with extra-long coiled cord for convenient use. PRO505XL Features 40 Channerl CB Radio PA/CB Switch Backlit LCD Display Electret Condensing 4 PIn Microphone S/RF Meter Instant Channel 9 Channel Indicator Channel Up/Down Buttons Squelch Control Volume Control Antenna Connector CB Radio