Receive instant alerts when someone is at the door with the Arlo Chime 2 add-on alert/alarm. It can be easily plugged into your wall outlet and uses Wi-Fi for wireless installation and triggering. When a motion or audio is detected on the camera or doorbell, or when a doorbell is pressed, this add-on alarm sends instant alert for improved security of your home. | Arlo Chime 2 Add-On Alert/Alarm - White