HX400IS VHF with FREE CMP460 MicrophoneHX400IS Handheld VHF - Intrinsically SafeThe 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 minutesSelectable 5 or 1 Watt transmit power outputSupplied with 2400mAh Li-Ion battery, AC and DC 3-hour quick chargersBuilt-in noise Cancelling Microphone and Voice Scrambler for clear andprivate communications40 Programmable Land Mobile Channels 134 MHz to 174 MHz with CTCSS and DCSProgrammable channel namesNOAA Weather channels and Weather AlertLow battery indicatorAll USA, International and Canadian Marine ChannelsOptional speaker microphones and headsets availableProgrammable Scan, Priority Scan and Dual WatchPreset key used to recall up to 10 favorite channelsKey lockCMP460 Submersible Noice-Cancelling Speaker MicStandard Horizon's Intrinsically Safe (IS) speaker mic is made specifically for Standard's HX370SAS.