The CRYSTAL MOBILE DB477I 5W PROFESSIONAL IN CAR UHF CB RADIO is one of the toughest UHF's available. It features a full die cast aluminium chassis and a large heat sync to ensure the radio maintains full efficiency in the harsh Australian environment. Functions can easily be selected through the handpiece control buttons or on the unit itself and the large backlit display will ensure you can easily see what's going on. The unit is backed with a 5 year warranty so you can be sure it will last! Features : Professional Series, 5 Watt Output Power, 80 Channels, 5 Year Warranty, 12 Volts Only, 200 Programmable Channels, Identified by Editable Name. Selectable Handpiece Speaker, Plug in Handpiece with Backlit Multifunctions Aluminium Die Cast Chassis, Automatic Squelch Control, CTCSS/DSC Codes. Duplex Range Extension, Channel Scanning, Large Multi Color Display. Rotary Channel Selector. External Speaker Port.