【13-inch Large LED Display】This digital clock features a large 13-inch screen with clear 3.5-inch high-contrast digits, making it easy to read the time from any distance or angle. It has all the functions a digital wall clock should have: time, date, day of the week, and temperature. Note: Must be plugged in to work; batteries are not supported. 【Automatic Brightness Adjustment】This LED clock has brightness adjustment; you can easily manually adjust it to a comfortable level with the remote control. It also has a built-in automatic dimming sensor that automatically adjusts the brightness according to changes in ambient light. 【Wall-Mounted or Desktop】This digital clock can be mounted on a wall or placed on a desk. It has a built-in memory function, so time data will not be lost even during power outages. Additionally, you can set two independent alarms if you have different schedules. 【Remote Control】All settings and operations can be easily performed with the remote control without removing the clock from the desk. Furthermore, this large digital wall clock has countdown and count-up functions (up to 99 minutes and 99 seconds) for your convenience. 【Beautiful and Practical】This wall clock is suitable for living rooms, kitchens, garages, farmhouses, offices, warehouses, classrooms, gyms, shops, nurseries, and other places. It is also an ideal gift for friends, partners, and the elderly. Note: This product does not include a plug; please connect it to a USB port or use a 5V/1A or 5V/2A adapter. It must be plugged in for use.