Rugged and boasting the highest waterproof rating of IPx8, HX407 allows custom programming of up to 40 UHF radio channels.Up to 40 UHF channels can be programmed into the HX407 using the programming software provided by your Standard Horizon dealer. The display shows a battery bar graph gauge to inform the charge left in the lithium-ion battery.17 hours of talking time: The HX407 is supplied with a whopping 2300 mAh lithium-ion battery that will keep you talking for about 17 hrs. The HX407 is supplied preloaded with a description of the use of each of the 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.Built-in voice scrambler: For secure communications, the HX407 has a built-in scrambler, which can be turned on and off for secure or open communications on the desired operating channel.Key Features40 programmable UHF channelsWaterproof rated IPx8, submersible to 1.5 meters for 30 minutesSelectable 5 or 1 Watt transmit power outputBattery life indicator on the displaySupplied with a powerful 2300 mAh lithium-ion batteryProgrammable channel namesBuilt-in voice scramblerPreset key used to recall up to ten favorite channelsOptional speaker microphones and headsets availableWhat's in the BoxHX407AntennaLi-ion Battery PackCharging Cradle120V AC Wall ChargerDC Cable with 12V Cigarette Lighter PlugBelt ClipHand StrapOwner's Manual