Features: [LED Display]: High-definition LED display digital clock, showing date, temperature, and time. Dates are displayed in year/month/day format. [Three-level brightness adjustment]: You can adjust the brightness of the LED display. It also has a night mode for comfortable viewing at night. 【12/24 hour format conversion】: You can switch between 12 hour and 24 hour time format. The LED display shows the time with a second hand. 【Two Installation Methods】: This alarm clock can be placed on the desktop or hung on the wall, providing flexible placement options. It adds beauty to any space. 【Dual Power Option】: USB plug-in power supply, voice activated wake-up mode, uses 3 AAA batteries (batteries not included). Specification: *Product name: alarm clock *material: plastic *Size: 21.5*11*3cm *Color: as shown in the picture Package Contents: 1x alarm clock notes: 1. Due to various factors such as monitor brightness and light brightness, the actual color of the item may be slightly different from the image displayed on the website. 2. Manual measurement data may have slight deviations. Product name: alarm clock material: plastic Size: 21.5 11 3cm