Size: 201mm * 124mm * 22mm Material: ABS environmental protection material Applicable: living room/office/study/bedroom and public places 1. [Power supply] The digital clock indoor and outdoor thermometer is powered by three AAA batteries, and can also be powered by power cord. 2. [Display screen] Display screen size: 171 * 94mm, you can see the time clearly from a distance, and you don't need to watch it from a close distance. 3. [Key function] Press and hold the SET key for 3 seconds to set the UP key to turn on/off the alarm clock Under the U key P setting mode, increase the value, and press and hold for more than three seconds to enter 8 steps per second for rapid adjustment DOWN key (1) In the setting mode, lower the value and press it for more than three seconds to enter 8 steps per second for quick adjustment (2) Adjusting temperature display unit: C/F ALARM key Press and hold for three seconds to enter the alarm time setting mode SNZ/LG key For the snooze setting, the backlight function can light up for five seconds by lightly pressing this button 4. Beautiful gifts. This is a good choice to express your concern, and it is also a surprising and unusual idea. This digital alarm clock is a perfect gift for everyone, whether old or young, men or women, boys or girls. It also applies to any festival, such as birthday, Christmas, Valentine's Day, Father's Day, Mother's Day, etc.