Ideal for those with visual impairments or living alone and concerned about falling. Panic alarmis a small pendant that can be worn around the neck. In an emergency the user presses the button and themain unit dials for help. If the first number is busy or on voicemail it will dial the next preprogrammed number. User can record their own 'help-me' message and 3 telephone numbers can be programmed. The programmed numbers will be cycled through 5 times until a call is answered. The systemwill dial programmed numbers up to five times.When answered, hands-free two-way conversation is possible via amicrophone in themain unit.Main unit powered by 6V adaptor (included) or 4 x AAA batteries can be used for back-up (not included). Connects to home land line telephone socket. Includes telephone connection cable and double adaptor to connect a home telephone.