[Helping children know time] How long is 1 hour? How long is 5 minutes? As long as they know the numbers, they can learn it. You can use it to count down from 11H 59M to zero, or use it as a stopwatch to count up. It remember your last countdown time, and when the countdown is over, you can press any button to recall the last setting [Rechargeable Timer with 2 Brightness Levels]This digital kitchen timer can be connected to any 5V USB-C plug for power. And can be powered directly by the built-in 1200mAh battery. In both modes, there are two levels of brightness adjustable. When not in use, the display turns off within 15 seconds to save . Or you can turn off the switch [Digital Visual Timer with Time Setting]Unlike traditional digital , it has an obvious visual part that can show the accurate time with digital display. The large VA display makes the time clearly visible. It can be set up to 11 hours and 59 minutes, suitable for cooking, housework, exercise, games, meetings, etc. [Simply turn the to set the time]You just need to turn the to set the time. Intuitive buttons set volume and brightness levels, making the timer easy to use. It's perfect for small to medium groups. It can be fixed directly to metal or stand on a table.