3D LED Digital Alarm Clock

    Function Two display modes: 1. Only display the time. 2. Time, date, temperature cycle display Adjustable brightness mode: 1. Three-speed automatic sensitivity; 2. Three-speed manual brightness adjustment; 3. Display can be turned off; 4. Sleep mode, four-speed sensitivity Memory mode: 1. With memory battery installed, time can be remembered without power supply. 2. Without power and battery, remember the previous clock and various setting modes Alarm function: with snooze mode and single/double/daily alarm Note: This product must be connected to a power source before it can be used, and it is equipped with a USB cable. The delivered battery has no power supply function and can only memorize the time.