Emergency stainless steel flush mount panel telephone that will automatically dial a preprogrammed number from 1-11 digits when the handset is lifted off hook. Equipped a with marine quality chrome hookswitch, ID window, Braille Emergency plate, 32" red hearing aid compatible armored cord handset. Telephone is flush mounted or installed in the 331-005 weatherproof or 331-HOB weather resistant housing. -IVC volume control and back ground noise reduction available for this unit.