Features 1、3D VISUAL EFFECTS: This 3D LED digital wall clock creates a visually modern display with its three dimensional design, adding a modern touch to any space. 2、MULTIFUNCTIONAL DISPLAY: With LED time, date, temperature, and alarm functions, this clock provides all the essential information you need in one convenient display. 3、AUTOMATIC BRIGHTNESS ADJUSTMENT: The LED clock features automatic brightness adjustment, reducing brightness by 50% from 7:00 PM to 5:59 AM to protect your eyes and ensure a comfortable viewing experience. 4、STABLE AND STURDY BASE: Designed with a stable base, this desktop LED clock offers stable support and stability, allowing you to place it on any surface with confidence. 5、VERSATILE POWER OPTIONS: You can power this clock with a CR2032 button cell battery (not included) or with a DC5V power supply, providing flexibility for different usage scenarios. Specification Item Type: 3D LED Digital Clock Material: ABS Power Supply: CR2032 button battery x 1 (battery not included) or plug in Functions: LED time display Display time, date, temperature, alarm Temperature range: 0°C-50°C (32°F-122°F) Auto brightness adjustment 4 buttons: SET UP, DOWN, Reset Date: default startup date is January 1, 2015, range from January 1, 2000 to December 31, 2099 LED screen automatically switches time, date, and temperature Three alarms: AL1, AL2, AL3 Power supply: memory battery CR2032, working power supply for DC5V DC power supply Can be placed on desktop or wall mounted Package List 1 x Digital Clock 1 x Instruction Manual 1 x Cable