The MM2F is a 25-watt, submergence-proof, paging projector (U.S. Navy specification) designed for flush-mounting in a bulkhead or wall. The MM2F is ideal for use near water or spray. The gray MM2F features an 82 degree x 82 degree dispersion pattern and 16-ohm impedance. Each unit is fully protected against damage from high humidity, salt water and other environmental conditions.