1)Designed for people with hearing loss 2)Adjustable super-loud rigner(UP to 100DB 3)with wireless doorbell

telephone ringer with wireless doorbell

1)Designed for people with hearing loss

 2)Adjustable super-loud ringer (up to 100dB)

 3)Bright visible ringer flashing indicator

 4)Adjustable tone / volume control for clarity

 5)3 type ring pattern

 6)Desk or wall mounting 

7)With wireless doorbell

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

Telephone Super ringer & wireless doorbell