1. Large Screen and Multifunctional: This digital alarm clock features a large LED display, allowing you to clearly see the time at a glance, even from a distance. It displays time, temperature, date, and day of the week on the same screen. It can be wall-mounted or placed on a table. 2. Adjustable Brightness: The LED alarm clock is equipped with a light sensor and a 4-level brightness: L1 (brightest), L2 (bright), L3 (slightly bright), and L4 (dimmest). Suitable for bedrooms, offices, and other indoor spaces. 3. Dual Alarms and Timer Function: Set two alarms to suit your needs. The maximum timer is 99 minutes and 59 seconds, and the countdown timer is also 99 minutes and 59 seconds. This LED desk clock helps you get a good night's sleep comfortably. 4. 12/24 Hours and °C/°F Switch: Press the down button to switch between 12-hour and 24-hour formats. Press the up button to switch between Celsius and Fahrenheit. This is an excellent alarm clock for adults who sleep a lot, and also the best gift choice for friends and loved ones. 5. USB and Battery Powered: There are two power options for the clock. It can be powered by a USB cable. When powered by battery (not included), the clock has a time memory function, so there is no need to reset it after a power outage. The large digital clock is simple and easy to set up. Specification: Item Type: Digital Alarm Clock Material: ABS Weight: Approx. 316.00g / 11.15oz Battery: 1 x Button Cell Battery, CR2032 (not included) Package List: 1 x Digital Alarm Clock 1 x User Manual 1 x USB Cable