Extra large clear mirror display: 4-inch LED display, eye-catching numbers, even the elderly can observe the timing from a few meters away. In addition, the unique constant light function allows you to use it in the dark night. When not timing, the screen will automatically dim to save power. 0~99 minutes and 59 seconds Time management tool suitable for various usage scenarios: There are 2 round magnets, a vertical bracket and a hanging hole on the back of the Rohome timer, which can be hung, placed on the table or magnetically adsorbed on the refrigerator door. You can put it anywhere you want. Easy to carry: The Rohome timer is powered by three AAA batteries (not included in the scope of supply), which is convenient for you to carry and use when traveling. The operation is very simple and smooth. Press "ST/SP" to start the timer, and press "M" and "S" at the same time to reset. You can also set a specific time to start the countdown. Three volume modes: high volume (80-90 dB), low volume (60-75 dB), silent mode. In silent mode, the numbers will flash and the timer alarm will not disturb others. It can meet the needs of different scenarios, such as kitchen, library, classroom, meeting, nap, game, office, etc. This simple timer can work easily even for children and the elderly! Suitable for various occasions such as cooking, studying, fitness, games, work, meeting, classroom, etc.