Alarm and intermittent alert system for vehicle operation

摘要: A standard digital display alarm clock is provided which driven by a 1.5 volt DC power source. two-tone device, whose sound level adjustable from 60 dB to 100 dB, electrically wired the and sounds when attains predetermined time. The for device supplied either 9 source contained within or 12 automotive cigarette lighter. with an intermittent alert feature will cause every four minutes indefinite amount of time requires operator input deactivate.