Time, Date, Year & Eco-Friendly Wood Material - Large numbers showing time, date and year. Wooden LED design, tasty touch and light weight, exquisite technology, fashion and environmental protection. We offer one year warranty. If you have any questions, please feel free to contact us, we will do our best to provide you with a satisfactory solution Alarm Clock Setting & Screen Brightness- 3 configurable alarm time settings, it's easier to wake up a sleeping person. 3 level screen brightness: L1 (low) - L2 (medium) - L3 (high), LED shower light does not stimulate your eyes when you check the time in the dark Sound Control- The screen light turns off automatically after 15 seconds in power saving mode. Just make a sound (just like it's activated with a slap) and the LED screen glows. It also lights up when you lightly touch screen. with Indoor Temperature & Humidity- Show temperature -20 -50; Humidity 20% -95%. Press UP key to change the temperature display format (/). It is easy to use, for more settings, different colors and various alarm clocks, thermometers, check the following contrast description. Product with detailed user manual USB Charge & Battery Operation - It is recommended to use a DC charging cable to save power (included). You can also use 4 AAA batteries (not included) for emergency situations. Battery is for backup time. It may run out quickly if you continue to use. This is why we advise you to use the cable for daily use