HOOQICT 3D LED Digital Big Wall Clock Modern Design Home Living Room Decoration Date Temperature Calendar Alarm Clock Desk Clock | Wall Clock About Shipping New and High Quality Package List: 1 x LED Clock Display Type: LED Material: Plastic Size Approx: 240*93*18mm Color: Various Colors Optional (as shown) battery: CR2032 (for memory time when power off, not included, the clock is powered by USB cable) Occasions: This is a great creative gift for family, friends and colleagues . Can be used for gift crafts, business gifts, holiday gifts, home decoration, etc. Feature1. LED time display 2. Time, date, temperature display, alarm clock3. Temperature range: 0 degrees Celsius-50C (32F-122F)4. Brightness: Automatic dimming function. The product automatically senses light to protect your eyes at night. 5. 4 function buttons: SET UP DOWN RESET6. AL1, AL2, AL3, three alarm clocks7. OLED screen automatically performs time, date, temperature conversion.8. Can be placed on the table or wall9. Date: January 1, 2000-December 31, 2099, default 10 when booting. Power supply mode: memory battery CR2032, working power supply is DC5V.