Features:
A thoughtful tool to help the haring-impaired to recognize coming. With this ringer, londer of can be noticed in noisy places. 
2 ringer to adjust, design with a switch at the side, high and low to choose to meet your needs.
-free, just connect the with the , and connect another jack to the wall jack with a cord(Not included), or connect the to the wall with a cord.
The flasher is offered for incoming call in a dim environment. 
With back-side hole design for hanging.

Specification:
Size: 9.5 x 5.6 x 2.7cm
Weight: 37g/1.3oz
Color: White
Level: HI (70DB), LO (60DB)
Suitable Connector Type: 6P2C
Package Size: 10 x 6 x 3cm/4 x 2.3 x 1.1in
Package Weight: 40g/1.4oz

Note: Cable is not included in the package. You can use your older . 

Packing List:
1 x Ringer