Product Description Working voltage: 3-5V Size: 158*55*87mm Material: plastic + plexiglass mirror Color: white light, blue light, green light >Package List1 x LED Digital Mirror Alarm Clock1 x USB Cable1 x User Manual1. Unique Mirror Large Display Design - Ultra-large LED display that allows you to see the time clearly even at a glance within 30ft of your bedroom. The display can also be easily used as a mirror in daily use and interesting. 2. Adjustable Brightness and Night Mode- The digital alarm clock offers three-level brightness, which can be adjusted manually or automatically to a comfortable brightness. The LED light will be automatically dimmed during sleep time to protect your eyes at night and save energy. No blinding lights or disturbing noise disturb your sleep, create a peaceful environment for sleep. 3. Snooze Function- With the big snooze button, you can easily turn off the buzzer without opening your eyes and sleep 5 minutes longer while preventing oversleeping. The digital clock will alarm every 5 minutes until you turn off the snooze mode by pressing other buttons. This is ideal for heavy sleepers.4. Two USB Charging Ports & 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 charging the clock. You don't have to worry about low battery when playing your phone on the bed. This is very useful throughout life. The rechargeable battery (included) only stores the settings for time and alarms.