A digital timer is an electronic device used to measure and display time intervals. It typically features a digital screen that shows the countdown or elapsed time in hours, minutes, and seconds. Digital timers are commonly used in cooking, sports, and various activities where precise timing is essential. These timers can be set to count down from a specific duration or count up from zero. Many digital timers also include additional features, such as alarms, memory functions, and multiple timing modes. They are widely available in various forms, including handheld devices and built-in features in appliances like microwaves and ovens.