This digital timer has a large bold number display, making it easy for you to read the timing. The visual timer is designed with a magnetic back, which can be adhered to the refrigerator or other metal surfaces. It has three buttons, which can count up and down from 1 second to 99 minutes by setting the memory function. Just press and hold the button for 2 seconds, and the time will move forward quickly. It is used for cooking food, baking in the oven, competitions, yoga and sports. it is also suitable for children and teachers' classroom timers, which can coordinate students' learning and entertainment time. 2 7/8" L x 2" W x 3/8" D