The submersible HX400 combines multiple features for a wide variety of users. Commercial tough construction with all VHF marine channels, optional speaker microphone jack, voice scrambler, noise cancelling microphone and 40 programmable LMR (Land Mobile Radio) channels with CTCSS and DCS signaling. The HX4000S is popular among recreational and commercial boaters. Additional features include Built in Voice Scrambler for private communications, Programmable Scan, Ch16 Priority Scan, Dual Watch, channel names, NOAA weather channels with weather alert, selectable 5/2.5/1 Watt transmit power, 8-channel preset key and a low battery life indicator. Supplied with a new ultra-high capacity Lithium Ion battery with 2550mAh Li-Ion battery, heavy duty belt clip, 110 VAC and 12 VDC trickle chargers with a drop in cradle.