Check out our audio alerting/signaling systems and devices which are:
sound detectors for baby cry signalers, telephone ring signalers, sonic
ring devices, sonic alert receivers, remote receivers, blinking strobe
lights receivers, loud horn receivers and doorbell signalers.
Visit our online store at: http://www.devices4less.com/Alerting.html
Or call and speak to a representative at: 1-800-328-6684