feature: *Brand new and high quality. *Made of high-quality materials, you can buy with confidence. *This alarm clock requires an external power supply. *Display time and temperature. *There are three levels of automatic photosensitivity function. *The casings are all black. Specification: *Product name: Digital alarm clock *Size: 22.8*3.5*7.5cm *material: plastic *Color: as shown in the picture Package Contents: 1* digital 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. Brand new and high quality. Made of high-quality materials, you can buy with confidence. This alarm clock requires an external power supply. Display time and temperature. There are three levels of automatic photosensitivity function.