Telephone Ringer Amplifier 

Ever find that you miss a call because you can't hear the phone ring?

Never miss another call with our Telephone Ringer Amplifier! The compact amplifier comes with a twin adaptor and simply plugs straight into your existing phone socket with no wiring and no batteries or power required. A loud bell will ring whenever you have an incoming call. An ideal solution for anyone who has difficulty hearing his or her phone.