Waterproof to JIS4 standards against splashing water. XTRA TALK power is the maximum allowed by law. SOS Siren for sending out distress calls. Direct call to instantly contact one member of your party without alerting the others. Dual watch. Weather scan with NOAA alerts. 22 channels plus 28 extra channels for increased privacy. Up to 36-mile range. 284 privacy codes. Features channel scan, hi/med/low power, vibrate alert, eVOX voice activation with 9 levels of sensitivity, silent operation, 10 call alerts, auto squelch, keypad lock, whisper mode, roger beep, backlit display, and mic and headphone jacks. Uses 4 AA batteries (not included) or included rechargeable batteries. Radio measures 9-3/4"H x 2-1/2"W x 1-3/4"D. Package includes two radios, belt clips, two boom mic headsets, desktop charger, rechargeable batteries, AC wall adapter, and DC adapter.