[Customer Services] Our products come with a 2-year warranty. If you encounter any quality or usage problems, please do not hesitate to contact us. We will either replace the product with a new one or guide you through the process of using and setting it up. Please send us a message immediately if you require assistance. [Power Supply] The black neon clock is powered solely by an AC adapter (not included) with a rating of 5V/1A. A 3-meter USB power cable is included with the clock. Additionally, the clock features a built-in supercapacitor that can retain the time memory for approximately 2 hours after a power failure. However, it is not intended for regular power supply. [Alarm Clock with Remote Control] You can use the included remote control to set the RGB rainbow clock to display the time in 12/24 hour format, date, temperature (in ?/?), and alarm with snooze function. The clock also offers 3 levels of brightness, as well as an Auto brightness mode and the option to turn off the display entirely. Operating the clock is easy and intuitive, and the remote control is powered by a CR2025 button battery. [Light up Clock] This is a stylish RGB 3D LED digital clock with dimmable brightness. You can adjust the brightness of the clock's LED light to High/Medium/Low/Auto/Off using the included remote control. In Auto mode, the clock will automatically adjust to 8 levels of dimming based on the ambient light using the built-in light sensor. The adjustable brightness ensures that you can read the clock clearly in bright or dark environments. [Color Changing Clock] This RGB neon LED clock is a colorful clock with 7 colors to set from. It can be placed on a desktop or wall mounted, making it perfect for use as a bedside clock, desk clock, or wall clock for living room decor, bedroom, classroom, meeting room, college room decor, or game room. The LED clock is a perfect aesthetic addition to any space. [9.7“ RGB Neon LED Clock] This black LED digital clock was designed as a large number clock with cool flashing neon light, color gradient light, and 7 separate colors. It is an amazing gift as a gaming room clock, wall clock or desk decor clock. Additionally, this hanging digital clock with big LED numbers is clear and big enough to read the time at night or from a long distance. The LED clock measures 9.7x3.9x0.9 IN (142 g).