The utility model provides an alarming device, the device have realized the processing of message to external world, in whole processing procedure, do not need that the user is artifical to participate in, have reduced the cost of labor, and simultaneously, the signal patchplug in this device adopts the aviation head, and based on the short stability of intercutting of boat, the user can intercutthe connector lug many times, and do not worry that signal patchplug comes off etc. And result in equipment trouble, have strengthened user's use experience.