Store +3 Clarity SR100 Telephone Alert Ringer 301 - SR100 $96.95 CAD In stock Quantity: 1 Add to Bag Product Details Brand: Clarity Products SR100 Clarity Alert Ringer: Adjustable super loud ringer (95dB) Adjustable ring volume control Adjustable ring tone control (250 to 1200 Hz). Offers the choice of four ringing patterns AC powered with battery back-up Save this product for later Favorite