Elk ELK-930 Doorbell and Phone Ring Detector

Don't miss out on an important phone call or visitor because you were watching a movie on your thundering home theater or cranking up that killer audio system. Find out when you have a call or visitor with a flashing lamp or an activation of any other ele

• Connect up to 2 doorbells and 1 phone line

• Turn off loud devices when the doorbell rings

• Great for people with impaired hearing