Material: ABS Color: White/Red/Green Display Type: Digital Style: Digital Power Source: USB plug cable powered Shape: Rectangular Product Size: 363 * 160 * 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 high-contrast numbers, which are clear and eye-catching, and can clearly see the time at a distance of 10 meters. Switchable 12/24-hour clock. The time is accurate and it is friendly to the elderly and children. 2.3 Adjustable Brightness, the digital wall clock can adjust the brightness of the numbers 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 down at night, which does not affect rest and sleep, and the brightness can be adjusted up during the day, which is easy to read. 3. Multifunctional Large Display 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 power-hungry. 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 wall-mounted digital clock is quiet and will not cause noise that affects study and rest, and therefore it is a good choice for hanging in classrooms, libraries and offices. At the same time, it is very lightweight, which can be easily hung on the wall and not easy to fall off. It has hidden stands so it can be placed on a bedside table or desk.