File Format
The ppt-timer ® are provided in the form of a Microsoft™ PowerPoint file so you can insert in your presentation (next to your content, or in a single slide) and project it. No need for physical devices or third party apps.
Time format
Ppt-timer ® available in 1, 2, 3, 4, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 or 60 minutes.
Available in light and dark theme 
Light theme is best for presentations using white backgrounds, while the dark theme suits best for black backgrounds.