The IC-M87 is built tough to withstand hazardous and unhospitable environments at sea and on land. Even if the IC-M87 is dropped into water, complete waterproof will protect it from harm. The compact and durable body has been tested to military specifications (MIL-STD). Simple operation Li-Ion battery for extra long battery life Powerful 5 Watts output power 22 programmable channels for PMR use Desktop charger supplied