Digital timers are electronic devices used to measure and display time intervals. They can count down from a set time or count up from zero, making them useful for various tasks like cooking, exercising, or timing events. Most digital timers feature a clear display, buttons for setting the time, and an alarm to signal when the time is up. These timers are often portable and battery-operated, allowing for easy use in different settings. Some digital timers also come with additional features, such as multiple countdowns, memory functions, and backlighting for visibility in low-light conditions. They are commonly found in kitchens, gyms, and laboratories.