Compact 12-24 Volt DC 40 channel AM CB radio with front USB port and 4-pin microphone. Features large 7 color selectable LCD display, VOX, NOAA weather with alert, Key Beep, Roger Beep, Talk-back, channel scan (CB & WX) up/down channel selector, manual squelch and ASC, multi-function LCD display, S-meter, ANL and Compander NB filters, F function key, programmable emergency channel, rear PA and external speaker jacks. Approximate radio size: 4.92 (W) x 7.09 (D) x 1.77 (H) President cb radio