This large, bright red digital LED clock displays in a way that is bright, clear and easy to read! Time is displayed using high quality , color and brightness matched red LED characters. Also shows the day of the week, the date, the temperature and the humidity. All these information is displayed along the bottom. It can be used at home or commerical, industrial and office type environments since it has a simple and elegant look. Powered by mains adapter and a button cell battery for memory back‑up. Technical Specification: 12/24 hour mode with calendar & temperature displayed along the bottom Material‑Front panel (glass), Frame (aluminum alloy) can be placed on a table or hung the wall have no alarm and punctual reporting function Time memory function: time saved when power off energy‑saving ‑ less than 3W power consumption a button cell battery included for memory back‑up 12/24 hour mode switch: Features Clock Size: 480mmx185mmx50mm(L X H X W) Time Digits Size 45mm X 75mm Calendar Digits Size: 10 x 15 mm Iutput: AC100v‑240v 50/60Hz Power Consumption: ≤ 3 watts Colour: Green Weight: about 2KG Press the add button for 3 seconds (Notice: This battery is just for memory back‑up. The clock cannot display anything during a situation like the blackout.) Package Includes: 1 X LED Clock 1 X Power Adapter 1 X Power Cord . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.