- Durable ABS construction and stain resistant finish for reliable daily use. - 60-minute manual countdown timer with mechanical operation; no batteries required, energy saving and eco-friendly. - Audible ring indicates when time is up. - How to use - Step 1 Wind Up: wind from 0, 5, 10, 15, ... up to 55 minutes. You MUST wind up to 55 before setting the time. - Step 2 Set Time: after reaching 55, wind the timer back from 55 to the desired time you want. - Versatile applications - Timed exams or homework sessions. - Play time or screen time management for kids. - Cooking, baking, or other kitchen tasks requiring precise timing. - Key benefits - No batteries needed, simple and reliable mechanical operation. - Clear audible alert when time expires. - Compact and durable design suitable for home, classroom, or kitchen use.