The all-in-one Alertmaster notification system flashes a lamp and shakes your bed to alert you to a ringing telephone, alarm clock, doorbell, loud sound or audio alarm. Its optional accessories even notify you of a crying baby or the presence of an intruder. Just plug it in, no wiring is required. Features: * Designed for people with severe hearing loss * Alertmaster 6000 notifies household of up to six events including telephone or doorbell ringing, baby crying, audio alarms, and more via flashing lamp, a bed shaker and vibrating personal signaler * Various accessories allow you to customize the system for your specific household needs * Distinct flashing patterns and lighted icons on master console unit identify each household event as it is happening * AM-6000 comes with wireless doorbell, bed shaker and has an alarm clock with snooze button * No wiring required, just plug it in * Battery back-up (battery not included) * Brand new in box with one year manufacturer honored warranty