This display module is great to display data from an Arduino/microcontroller. It has all the external circuit required to drive a 4 Digit 7 Segment Display. This simplifies connection and programming making it easier and faster to use this board in you next project. This display connects to an Arduino using 2 wires only! Using only 2 Digital Input/Output pins for communication, it allows you to use the other pins for your project.
The display comes with 8 adjustable brightness levels! It works with both 5V and 3V3 voltage levels. It also comes with 4 x mounting holes which can be used to mount it to an enclosure.
Since this is a popular module, sample codes, libraries and example projects are available on the internet to help you get started with your display.