Feature: 1. Two Display Modes: Simple operation and one screen, mode 1: time display; mode 2: time, date and temperature switching. 2. Energy Saving Backlight: Intelligent photosensitive, brightness changes with the surrounding environment. Daylight: Brightness is soft and clear. Darkness: Low brightness and not dazzling. 3. Smart Temperature Sensor: Real time grasp of temperature changes, built in smart temperature sensor, always display the current temperature for you. 4. Digital Display: Simple, stylish and compact streamlined design, digital display, intuitive setting buttons, stress free when setting the time or alarm. Suitable for children and the elderly. 5. Large Display Modern Design: The large digital LED screen makes reading time very easy. The stylish design makes it your room decoration. How to Use: Install the battery or plug in the USB cable to use Specification: Item Type: Digital Clock Material: ABS Battery Type: 3 x AA Batteries (Battery Not Included) Function: 1. LED time display 2. 12 hours 24 hours conversion 3. Alarm Snooze function 4. Temperature display (Celsius ℃, Fahrenheit ℉) 5. Temperature range: -10℃-50℃ 6. Night mode setting (18:00-06:00) 7. Mirror function 8. Time and temperature switch display 9. Two level brightness adjustment 10. Five function buttons (MODE, ALARM, SNZ LIGHT, UP, DOWN) 11. Time memory function (3 x AAA batteries are used for time memory) 12. When using a USB cable, the LED indicator will always be on Product Size: Approx.3.1 x 10.5 x 4.7cm / 1.2 x 4.1 x 1.9in Package List: 1 x Alarm Clock 1 x Usb Cable 1 x User Manual