HX400IS Handheld VHF Intrinsically Safe. The submersible HX400IS intrinsically safe handheld VHF is built to withstand the day-in day-out punishment in hostile commercial environments. Features include a speaker microphone jack, 40 dealer programmable Land Mobile Radio channels with CTCSS DCS signaling and a unique super bright LED distress strobe light. Features 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. 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 The submersible HX400IS intrinsically safe handheld VHF is built to withstand the day-in day-out pun 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 Mic private communications. 40 Programmable Land Mobile Channels 134 MHz to 174 MHz with CTCSS and DCS Programmable channel names NOAA Weather channels and Weather Alert Low battery indicator