1 Pack Mailbox Notification Device, Mail Arrival Indicator Device, Mailbox Alert Alarm for Delivered Mail

Additional Details from the Manufacturer

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More features

• Mailbox Notification Device: This mailbox alarm is a indicator that attaches to the outside of your mailbox that visually alerts you when you have mail, keeping your mailing system efficient and visible. You don't have to walk all the way to the mailbox to see if mail was delivered, especially in winter
• Noticeable Yellow Ball: Updated bright yellow golf ball could provide a visibility at distances of around 200 ft
• Strong Adhesive: Mail arrival indicator device featuring 3mm Extreme Outdoor Mounting Tape which can sticks securely to flat, smooth mailbox surfaces without the need for tools, you can also used screws to attach to mail box for more stable attachment. (screws not include)
• Easy to Use: Mailbox alarm for delivered mail compatible with various mailbox accessories, it's the perfect fit flag for mailboxes, Besides, it doesn't need batteries or electronics, effectively reduce maintenance costs
• Installation Position: Attached mailbox alert to your mail box using 3mm thick industrial double sided tape, NOTE: Please make sure to stick mailbox alert for mailbox to the position where the yellow ball will bounce up higher than the mailbox when the mailbox opening, then it can notice you the mail comes. After you read the mail, place the spring back in the latch with the ball touching the door