Serene Innovations CentralAlert CA-CX Phone Signaler The Serene Innovations CA-CX Phone Signaler for the CentralAlert Notification System has flashing lights and sound to notify you of calls on your home landline phone, cell phone, Skype?, FaceTime? and text messages. The Serene Innovations CA-CX is a visual flashing signaler for cell phone and home phone calls. The CA-CX has a loud ringer and bright flasher that notifies you when there's an incoming call on your home phone, calls from Skype or FaceTime? and from SMS messages. Connect an optional bed shaker from Serene Innovations to be notified by vibrations even when you sleep. Features: Easy to use by plugging in your landline phone or placing your cell phone on the unit with vibrate mode Compatible with home landline phones, cell phones, VP, Skype and FaceTime Compatible with cell phones with vibrate mode; activated after 3 seconds of vibration USB port for cell phone charging Unique green flashing patterns and adjustable ring tones distinguish between landline calls, cell phone calls and Skype Add additional Serene Innovations CentralAlert receivers to be notified in additional rooms Missed call or SMS message indicator light for the cell phone 2.5mm to 3.5mm cable included for phones that are not being detected: connect cable into audio jack of CA-CX 2.5mm to 3.5mm cable can also be plugged into audio jack of computer or tablet for audible alerts such as Facebook messages, video chats, etc. Detects and alerts to WEA (Wireless Emergency Alerts if provided with cell phone service) public emergency broadcast warnings Jack for optional bed shaker Place up to 200ft away from the CA360 AC powered with battery backup (4 AA batteries not included) Dimensions: 116mm W x 85mm D x 90mm H What else do I need to make this work? In order to be notified in additional rooms, you will need to purchase a compatible receiver. Warranty One year limited warranty Brand Serene Innovations Product Type Signaler Signaler Alert Type Audio, Light Signaler Style Wireless Lamp Plugin No Built-In Transmitter No Signaler Type Phone/VP/TTY Vibrating Alert Yes, shaker not included Returns: Returns requests are accepted within 30 days of the date of purchase through Returns. Returned item(s) must be the item(s) purchased and must be returned complete in new resalable condition with nothing missing.