Feature Benefit SoundTracker® Dramatically improves the sound quality of the transmission and reception of CB signals. Speaker Microphone Jack Allows connection of hands-free accessories. (Single pin connection) Dual Watch Monitors two (2) channels at once -- Channel 16 and one (1) user selected channel. 10 Weather Channels Receive immediate, up to the minute weather information 24 hours a day. New Compact Design Allows maximum portability and comfort. 40 CB Channels Full coverage in an ulta-small package. 4 Watts Power Output The maximum allowed by law. High/Low Power Switch Reduces power consumption by up to 75% to extend battery life. Recharging Jack Allows charging of Ni-Cad batteries in unit with AC wall charger (not included). DC Power Cord (included) For in-vehicle use...plugs into vehicle's cigarette lighter. High Efficiency Flexible Antenna Provides maximum range and bends without breaking. Omni-Directional Microphone Allows voice to be picked up from multiple directions. Up to 4 Mile Range Range will vary between 1/2 and 4 miles depending on geographic terrain. Instant Channel 19 Instant access to information channel 19. Full Channel Scan Allows you to scan all 40 channels. Low Battery Indicator Special LED illuminates to let you know when batteries are getting low.