Peak to Peak Working Clock is a free Chrome add-on developed by robert.hettmansperger. This add-on falls under the Browsers category and specifically the Add-ons & Tools subcategory.

The main feature of Peak to Peak Working Clock is its ability to display a working clock that you can select and highlight. When you open the add-on, it opens a new window with a functional clock. You can easily click and drag to select a specific time range and highlight it. This feature is helpful for keeping track of important deadlines or scheduling tasks within a specific time frame.

Additionally, Peak to Peak Working Clock allows you to set notifications for when the selected time range expires. This notification feature ensures that you stay on top of your time management and never miss an important deadline.

Overall, Peak to Peak Working Clock is a useful Chrome add-on for those who require a working clock with customizable time range highlighting and notification capabilities. It provides a convenient way to manage your time effectively and stay organized.