Wireless mailbox alert system

Wireless mailbox alert system

Wireless mailboxes network alert system a very useful thing. It is very common throughout the world. All you need is to install it to your Inbox and receive signals that alert you to new emails.

Here's a cheap wireless alert system that can be created overnight. So quiet the alarm won't annoy Your neighbors, a pair of transmitter-receiver can be used for a garage, barn, mailbox, freezer, window or door alerting, for example, about the opening. Just place the receiver module in your living room, kitchen, or bedroom, and it will signal You (with glowing LED) if something is left open.

The distance between the transmitter and receiver is approximately 60 metres indoors and more outside.