Just Turn the Dial to Set Time You just need to turn the dial to set the time. Intuitive buttons to set volume and brightness levels, makes the timer easy to use. The size of the countdown timer is 3.82 inches x 1.37 inches x 3.55 inches. Its ideal for small and medium groups. It can be attached to metal directly or stand on a table. What you get: A Digital Timer, A USB-C Cable and a User ManualRechargeable Timer With 2 Brightness LevelsThis digital kitchen timer can be connected to any 5V USB-C plug for power. And it can be powered by the built-in 1200 mAh batteries directly. In both ways, there are two levels of brightness adjustable. When not in use, the display would go off within 15s to save energy. Or you could just turn the switch offDigital Visual Timer with Hour SettingDifferent from the traditional digital timers, it has a distinct visual part to show the exact time as the digits show. Large VA display makes the time clearly visible. And it can be programmed up to 11 hours 59 minutes, making it suitable for a variety of usages as cooking, housework, workout, game, meeting and other activitiesAlarm Volume Adjustable and Totally SilentYou have 2 volume options: Loud (85-95dB), Soft (75-85dB). Or you could set it to Mute to keep it silent but allow the numbers flash. The alarm time will last for one minuteHelps Your Kids Get Better Knowledge of TimeHow long is 1 hour? How long is 5 minutes? They can learn it as long as they know the numbers. You could use it to count down from 11H 59M to zero, or use as a stopwatch to count up. It memorize your last countdown time, when it ends, you can press any button to recall the last setting