• Don't trudge out in the cold, rain, or snow only to see if your mail has been delivered!
• Mail Alert notifies you immediately when your mail is delivered so you can take care of business quickly.
• When the mailman opens your mailbox door, the receiver inside your home or office will flash constantly and chime every 5 minutes for two hours. Press the MAIL button to reset the system after you have picked up the mail.
• Up to 300 foot range between sensor and receiver.
• Lithium battery (2032 type) for transmitter and 120V AC adapter for receiver are both included. Average battery life is one year.

Mail Alert is designed to work with conventional mailboxes with doors that open downward. Mail Alert will not work on unconventional mailboxes without doors or with doors that open sideways.