1)Designed for people with hearing loss 2)Adjustable super-loud rigner(UP to 100DB 3)Bright visible ringer flashing indicator.

telephone ringer

*Designed for people with hearing loss  *Adjustable super-loud ringer (up to 100dB)  *Bright visible ringer flashing indicator  *Adjustable tone / volume control for clarity  *3 type ring pattern   *Desk or wall mounting 

  *Dual modular phone jack design eliminates the need for a T   adaptor

Telephone Super ringer & flasher