Features: 1. Large display and large numbers: time (AM/PM), calendar (MM/DD), temperature (C/F), alarm time. 2. Smart clock function. In the dark, you can see the time and temperature, without affecting your eyes. 3. Free Fahrenheit and Celsius conversion. 4.24 hours / 12 hours conversion. 5. Humanized alarm: The alarm sounds gradually louder, wake up to the gentle sound. 6. White background night light: If bright light is needed, press the ""snooze/light"" button to use the night light, which lasts for 5 seconds. 7. Extremely simple operating parameters. You can use the settings without reading the manual. 8. low radiation. The clock is designed with low current. Specifications: -Material: ABS -Dimensions: 5.31 x 2.95 x 1.77 inches -Net weight: 6.6 ounces - Power supply: 3 AAA batteries only (not included). Package includes: 1 x digital alarm clock 1 x manual Please note: 1.It is better to use carbon batteries than batteries alkaline.And alkaline batteries may cause the alarm clock