Sentry Mailbox- White, Medium, Plastic, Sentry Alert & House number.installed.

Sentry Mailbox- White, Medium, Plastic, Sentry Alert & House number.installed.

SKU: SM01White

Know immediately when the Mailman arrives, you dont have to keep checking your Mailbox. New Sentry Mailboxes come fully functional.  Just replace your old Mailbox with your new Sentry Mailbox. Take the reciever inside and switch it on. The very next time your Mailbox is opened, the Reciever will chime in your home/office. Works over a distance of 300 feet (varies with obstructions)

No installation required:- Transmitter inside the box is activated by the motion of the door opening in the Mailbox and is powered by the included 9V battery. The Receiver is power by 3 C sized batteries included and can be placed on any convinient surface or wall mounted with the included screw kit. Other size and style Mailboxes are also available.

Note: Mailbox shown may not be exact as sold.

  • The Sentry Mailbox advantage-

    • Go to your Mailbox only when you get Mail.
    • Be allerted when there is unauthorized entry to your Mailbox.
    • Know if your Mailbox has been left open to the weather.
    • Direct replacement for similar Mailbox on your existing pole.
    • Works right out the box with your home number affixed.
    • Batteries last over a year (dependant on use).
    • Electronic equipment is warrentied by Manufacturer.

    InnBalance offer a 30 day exchange/return policy. .

    When returning the Sentry Mailbox, it must be in all the original packaging and include all of the original equipment and accessories..

    Returns must be done within 30 days of date of purchase. We cannot refund your item after the 30 days have expired.

    Please note that it can take up to 15 business days for the return to be processed.


    Shipping will be effected with in 3 working days of purchase.

    We ship Free to the contigious US. Price includes packaging, handling and postage. Contact us for shipping outside the USA.

  • Other Sentry Products

    Check out our Listing Sentry WiFi security bulb for video alerts from your property. Used by Real Estate Agents to monitor their empty homes for sale.