Product description Working voltage: 3-5V Size: 158 * 55 * 87mm Material: plastic + plexiglass mirror Color: white light light Package list 1 x LED digital mirror alarm clock 1 x USB cable 1 x User manual 1. Unique Large Mirror Display Design - Ultra-large LED display that allows you to see the time clearly, even at a glance, within 30 feet of your bedroom. The display can also be used simply as a mirror in everyday use and is interesting. 2. Adjustable brightness and night mode - The digital alarm clock offers a three-level brightness that can be set manually or automatically to a comfortable brightness. The LED light is automatically dimmed during sleep time to protect your eyes and save energy at night. No dazzling lights or annoying noises disturb your sleep, create a peaceful environment for sleep. 3. Snooze function - With the large snooze button, you can simply turn off the buzzer without opening your eyes and sleep 5 minutes longer, but at the same time prevent oversleeping. The digital clock will alarm every 5 minutes until you press other buttons to turn snooze mode off. This is great for heavy sleepers. 4. Two USB charging ports and battery backup - Equipped with two USB charging ports on the digital alarm clock, you can charge mobile phones, tablets and other electronic devices at the same time when you charge the watch. No need to worry about low battery when playing your phone on the bed. This is very useful for a lifetime. The battery (included) only saves the settings for time and alarms.