Choose One Of Four Ringing Sounds:electronic Warble (traditional Loud Ringer)double Gong (two Identical Inchgonginch Tones)quadruple Chime (four Descending Chime Toneselectronic Bell
Adjustable Volume Control
Provides A Door Chime Tone For Either A Door Bell Door Open Sensor Or Inchpush For Assistanceinch Button