Modern Design: This alarm clock supports both 12-hour and 24-hour time formats. Switch between formats by pressing the + button for 3 seconds. Equipped with a large 23.4 x 9.1 cm 3D LED display, it ensures clear visibility in low-light conditions and is easy to read at night. Ideal for children and seniors. Brightness and Night Light Adjustment: Offers 3 adjustable brightness levels. The display automatically dims by 20% starting at 6 p.m. for comfortable nighttime use. This digital wall clock serves well as a night light. Two Installation Options: Can be mounted on the wall using the built-in hanging hole or placed on a flat surface using the included stable base. Compact design makes it convenient for travel, kitchens, hotels, offices, desks, or bedside tables. Alarm and Snooze Function: Features a customizable alarm with snooze functionality. Alarm time can be set freely. A practical and thoughtful gift for kids or teens. Energy Efficient: Uses ultra-low-power LED technology. Powered via USB (5V input). Includes a USB cable. A CR2032 button battery (not included) maintains time settings during power interruptions. Note: The clock requires USB power to operate; the battery alone cannot power the device. Without USB power and without a battery, the display shows 00:00 and does not retain time. Functions: - LED time display (format: HH:MM). - 3 brightness levels (default: medium). - Automatic night mode dimming. - Three control buttons: MODE, UP, DOWN. - Supports 12/24-hour format selection. - Alarm display shows “AL” when active. - Snooze interval: 5–60 minutes (default: 5 minutes). Power Supply: - Input: 5V via USB (power adapter not included). - Backup: CR2032 button battery (not included) — used only for memory retention, not operation. - Clock resets to 00:00 if powered off without battery. Alarm Setup: - Press and hold MODE for 3 seconds to enter alarm setup. Set hour, minute, and snooze duration in sequence. “AL” indicator lights up during adjustment. - When alarm sounds: Press MODE to activate snooze (AL blinks), or press DOWN to disable alarm (AL turns off). Night Mode: - Press MODE twice to enter night mode. Press MODE once to toggle night mode on/off. The display brightness automatically reduces in night mode. Features: - Material: Acrylic. - Color: White. - Display: Digital LED. - LED color options: Blue, red, white, green. - Battery: CR2032 (not included). - Dimensions: 21.2 x 8.3 x 3.5 cm. Package Includes: - 1 LED alarm clock. - 1 USB cable. - 1 instruction manual (English language only).