Check the listing for details. Mail Chime Mail Alert Wireless Mailbox Notification System (Model-1400A). Color: White, Condition: New. Listed at 49.97 USD. Know exactly when your mail arrives with the Mail Chime Mail Alert Wireless Mailbox Notification System. This system includes a sensor that installs in your mailbox using the included double-sided tape and a receiver that plugs into an outlet in your home. As soon as your mailbox is opened, the receiver will beep 4 times and flash the red LED to notify you the mail has just arrived. This Mailbox Notification System has volume control, works up to 350 feet, and is easy to install since thanks to its wireless design. The Mail Chime is only designed to be used on the three basic types of mailboxes: the curbside, wall mount and the slot type mailboxes. It is not designed to be used on mailboxes with vertical hinges such as cluster type community mailboxes, or on extra-large metal curbside, aluminum, or locking mailboxes.Alerts you when the mail arrives with 4 audible beepsHas volume control and works up to 350 feetWorks as a security device to prevent stolen mailEasy to install (includes double-sided tape)IP55 rated for weather protection from dust and wet weatherFCC approvedContentsReceiverSensorBatteryAdaptorManual NOTE: Not for use on extra-large metal curbside, aluminum, or locking mailboxes. Also not for cluster-type mailboxes with vertical hinges.Technical DetailsManufacturer Part #: Mail Alert Model-1400AUPC: 187327000040Wireless: up to 350 feetAudible: 4 beeps when mailbox is openedIP Rating: IP55Battery: IncludedCertifications: FCCWarranty: Limited Warranty