Combining multiple features for a wide variety of users.  ·         Submersible IPX8 / 1.5M (4.92Ft) for 30 minutes ·         Selectable 5 or 1 Watt transmit power output ·         Supplied with 2400mAh Li-Ion battery, AC and DC 3-hour quick chargers ·         Built-in noise Cancelling Microphone and Voice Scrambler for clear and private communications ·         40 Programmable Land Mobile Channels 134 MHz to 174 MHz with CTCSS and DCS signaling ·         Programmable channel names ·         NOAA Weather channels and Weather Alert ·         Low battery indicator ·         All USA, International and Canadian Marine Channels ·         Optional speaker microphones and headsets available ·         Programmable Scan, Priority Scan and Dual Watch ·         Preset key used to recall up to 10 favorite channels ·         Key lock ·         3-Year waterproof  warranty Owner's Manual   Lithium-ion battery and charger The HX400 is supplied with a whopping 2400mAh Lithium-Ion battery that will keep you talking for about 17 hours. There is no need to worry about the time it takes takes to fully change the huge 2.4A battery as the HX400 is supplied with a 3-hour rapid charger. Marine and Land Mobile Channels The HX400 is factory programmed with all USA, Canadian and International and NOAA Weather channels. It also has the capability to be programmed 40 Land Mobile Radio (137-174MHz) channels with CTCSS or DCS signaling by a Standard Horizon dealer. Note: These channels do require the appropriate Federal Communications Communication license. Built-in Noise Canceling Mic and Voice scrambler The HX400 will surpass your voice transmissions expectations in noisey and windy environments with the built-in noise canceling microphone. No need to purchase an optional voice scrambler for secure communications as the HX400 has it built-in. The internal scrambler is compatible with Standard Horizon VHF Fixed Mount and Handheld VHF 4-code scramblers. Loud speaker audio The HX400 is designed to be heard in even the noisiest environments with 700mW of power supplied to the internal speaker. Speaker Microphone Connection Optional speaker microphone or headsets are available to assist with your communications needs. Programmable Channel Names The HX400 is supplied from the factory preloaded with description of the use of Marine channels (16-Distress, 22A-USCG, 71-Pleasure). The channel names may be customized by the user to easily understand the use of each channel. NOAA Weather channels and Weather Alert 10 NOAA and Canadian Weather channels are pre-programmed and easily selectable using the dedicated WX key. In addition, the HX400 can be set to monitor WX channels and provide an audible alert to inform of pending storm advisories. Programmable Scan, Priority Scan and Dual Watch Scanning is not an issue with the HX400. The radio can be setup to scan any number of channels with or without a priority channel or simply can be setup to scan between a priority channel and on other channel (dual watch). 10 favorite channel recall - Preset Key Dedicated key that allows programming and quick selection of up to 10 favorite Marine VHF or NOAA Weather channels. Battery Life indication The display shows a battery bargraph guage to inform the charge left in the Lithium-ion battery. 3-Year Waterproof Warranty Because the HX400 is built better, it’s back better. If your Standard Horizon HX400 ever fails for any reason including water damage during normal use in the first three years, STANDARD HORIZON will repair or replace it free, without hassle or charges…period! If it fails thereafter in normal use it for the life time of the product it is covered by Standard Horizon’s Lifetime Flat Rate Service Program