The UH850S-DLX UHF CB handheld radio is the ultimate compact UHF communications with 5 Watt power and deliver up to 17km# of range. This makes it the perfect unit for professionals who need a rugged and heavy duty radio suitable for various conditions.The latest innovation added to the Uniden UHF range, Master Scan technology, is designed to ensure minimal disruptions for continuous communication and offers users to seamlessly communicate on a group of channels. If your current channel is interrupted by outsiders, all radios in your group will automatically jump to a new clear channel allowing uninterrupted communicate to continue.The UH850S-DLX features a waterproof design to operate in the most intense environmental conditions, with 4 different audio level settings (normal, bass, midrange and high) to provide a natural voice enhancer for sharp clarity and performance. The benefit of the Smart Key allows you toggle between Voice Enhancer, Instant Channel or Call Tone Feature to tailor to your needs.