With a 1, 000-yard range, the 25-watt MV-20S megaphone from Fanon Courier has a built-in signal alarm/fog horn. The weatherproof mike hooks on to the rear for standard use, and the megaphone may be shoulder mounted with the mike detached. The MV-20S features a coiled cord and talk switch on the mike for handheld use and solid-state amplifier with a signal alarm for warning alert, fog horn or "mayday" signals. Running on C-cell batteries, it has a peak power output of 25 watts with a rated output of 20 watts. Weighing 7 pounds, the MV-20S has a bell diameter of 9 1/2 inches with an overall length of 15 inches.