Cobra 29LX Professional CB Radio - NOAA Weather Channels and Emergency Alert System, Selectible 4-Color LCD, Auto-Scan, Alarm and Radio Check EASY-TO-READ - Selectable 4-Color LCD display in Blue, Red, Green and Amber for daytime and night time driving made easy. Adjust the color and brightness to enhance your drive. NOAA WEATHER CHANNELS - Be the first to know of incoming hazards or changing weather with instant access to NOAA weather channels 24 hours a day. WEATHER AND ALERT SCAN - Automatically tune into the strongest channel to hear all weather alerts, so you wont miss important information while scanning through the channels. CLOCK & ALARM - Display the current time on screen and have the ability to set an alarm for anytime during the day so you're never late again. RADIO CHECK & FREQUENCY DISPLAY - Automatically run diagnostics for Voltage and RF output, with Antenna Matching to enusre that the signal is as strong as possible and working properly also displays operating CB and Weather frequencies on screen.