This portable Telephone Ringer goes between your telephone set and the wall phone line to boost the volume of the ring.
This Telephone Volume Enhancer has a light and switch to select between a high and low frequency ringer sound.
The switch has 2 positions:One for the high frequency ringer sound and the other for the lower frequency ringer sound.
Up to 95db.
Can increase the volume of telephone ring in noisy places.
Easy To Install,Works with any home phone.
It helps the hearing-impaired,the heavy sleepers,and people who love wandering far from their phones.
Note:Package only included one ringer,no another cables included!

Package Include:
1 x Loud Telephone Ring Volume Enhancer