Material: ABS Color: White/Red/Green Display Type:Digital Style:Digital Power Supply: USB Cable Power Supply Shape: Rectangular Product Size: 363 x 160 x 40mm Product Weight: 497g Package Size: 365x160x40mm Package Weight: 610g Packing List: 1 × Digital Clock 1 × USB Power Cable 1 × User Manual 1. The digital wall clock has clear, clear and eye-catching contrast digits and can clearly see the time from a distance of 10 meters. Switchable 12/24-hour clock. The time is accurate and friendly for the elderly and children. 2.3 Adjustable Brightness, the digital wall clock can adjust the brightness of the digits automatically/manually, there are 3 brightness levels to meet different needs, adjust the brightness according to the time; 3 different brightness levels, the brightness can be adjusted at night, which does not affect rest and sleep, and the brightness can be adjusted during the day, which is easy to read. 3. Multifunctional large screen digital wall clock with long USB cable, including time, date, humidity, temperature (℃/℉ switchable), alarm clock functions, multi-directional monitoring of time, temperature, humidity, and plays a certain role in monitoring your living environment, only one alarm can be set, it is not the main function. 4. As you know, LED displays are energy-consuming energy. If you only use batteries for power, you need to change batteries frequently, so we use USB cable instead of batteries. On the one hand, it can reduce battery usage and protect the environment. On the other hand, through the USB cable, you can connect it to the adapter, power bank or computer, which is convenient. 5. The digital wall clock is quiet and will not cause noise that affects study and rest, so it is a good choice to hang in classrooms, libraries and offices. At the same time, it is very light, which can be easily hung on the wall and is not easy to fall. It has hidden supports so that it can be placed on a bedside table or desk.