Features:Energy-saving mode/sound-activated: Save power, you can turn on the time display by pressing, high-fiving, etc. When the sound control component detects a certain amount of sound, the display will light up to show the time, and it will automatically turn off after 20 seconds.12/24-hour system switching: you can freely choose between 12-hour system and 24-hour system display according to personal preference.℃/℉ switch: temperature intelligent sensor display.Voice broadcast/can be turned off/adjustable night mode.Seniors and children can easily use the time manager!Large digital display with LED light, simple and clear.It is small in size, light in weight, easy to carry and does not take up much storage space.. Color: Blue, Materials: ABS, PC, Size: One Size: 8.8cm x 11.8cm x 11.6cm, Care: N/A