An exceptionally loud telephone ringer, the CrystalTone Ringer is ideal for people who have difficulty hearing the phone ring. Adjustable up to 95dB, it is one of the most powerful ringers available. You can adjust the ring volume and frequency to the level that you hear best, and even set a distinctive ring pattern.
Most powerful ring volume, adjustable up to 95dB
Light visually alerts you to calls
Tone Control lets you adjust ringer to the frequency you hear best
Choose from four different ring patterns
Easy to use - simply plug it in
Even greater ring amplification (up to 100dB) possible with optional AC adapter (for use with Line powered model - no need for batteries or power adapter)