Description What does "P" mean? "P" is for "panel mount" in this product. This Grove - Button is a sister version of original Grove - Button. They are identical except the Grove connecter is moved to the back so that you can easily use it as a neat and wire-free human interface device. For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product. https://elecena.pl/product/9696387/111020000-arduino-grove-button-p 2017-08-05 https://elecena.pl/product/9696387/111020000-arduino-grove-button-p 2018-01-25 https://elecena.pl/product/9696387/111020000-arduino-grove-button-p 2021-05-24 https://elecena.pl/product/9696387/111020000-arduino-grove-button-p 2021-12-13 https://elecena.pl/product/9696387/111020000-arduino-grove-button-p 2022-07-04 https://elecena.pl/product/9696387/111020000-arduino-grove-button-p 2025-02-08 https://elecena.pl/product/9696387/111020000-arduino-grove-button-p 2026-02-20