The M85 is the smallest, lightest and toughest radio on the market today! The M85 can withstand hazardous and inhospitable environments at sea and on land, as it is built to MIL-STD 810. The IP67 water-proof rating protects the radio, even if dropped in the water. Yacht and commercial customers like the M85 because of the 100 programmable land mobile channels, as well as the easy-to-use built in voice scrambler for private communications. The M85 is full of the features you need including an automated emergency alarm.