Central Alert Mini Notification System

This alerting system for hard of hearing users is everything you need to get alerts of incoming landline, cell phone, Skype, and FaceTime calls and text messages, as well as wireless doorbell rings. One-year manufacturer's limited warranty. ABOUT THE COMPONENTS: 1. CentralAlert Cell Phone Ringer/Flasher (Model CA-CX) The CA-CX alerting system uses a loud ringer and bright flasher to alert you to incoming landline, cell phone, Skype, and FaceTime calls and text (SMS) messages. And with a bed shaker connected, you will never miss a call again, even while you sleep.