Large LED Screen: 265mm*70mm (10.4in*2.7in), allowing you to read the time from a distance. This LED electronic alarm clock displays temperature in Celsius or Fahrenheit, date, and time in 12 or 24-hour format, and includes two alarm settings. Two Alarms with 40 Tones: Set two separate wake-up times with 40 different ringtones and four volume levels to choose from. The USB-powered desk clock requires a continuous power supply. A built-in button battery preserves clock settings during power outages. Bedside and Wall Mountable: The alarm clock features notches on the back for easy wall mounting or can be placed on a desk. Its sleek, simple design complements bedrooms or living rooms and can function as a mirror when needed. Auto Dimming Function: Connect the digital clock via USB cable. The screen brightness adjusts automatically over time and can be manually set to one of six levels or turned off completely. The soft lighting is ideal for light sleepers. What You Get: 1x LED alarm clock, 1x USB cable (135cm), 1x user manual.