- Loud ringing from an analog line- Loud ringing from a dry contact closure- Choose one of four ringing sounds:- Electronic warble (traditional loud ringer)- Double gong (two identical gong tones)- Quadruple chime (four descending chime tones- Electronic Bell- Adjustable volume control- Provides a door chime tone for either a door bell, door open sensor or Push for Assistance button- Test button for setting volume- Power supply included