Descriptions:Compatibility: Compatible with iphone, Android phone chargingBrightness: High-sensitivity photosensitive sensor can be used to automatically adjust the display brightness according to the brightness of the environment. It can also manually set the high, medium and low brightness.Specifications:Battery Backup: 1 x CR2032 Lithium Battery (included)Brightness Level: high, medium, lowSnooze Function: Snooze last for 2 minutesWorking Voltage: 3-5VLetter color:white,Blue,red,GreenLED Mirror Digital Alarm ClockUltra-Large LED Display is easy to read the time no matter of the distance. Mirror alarm clock with stylish appearance can be used as a mirror, perfect for home decor and daily use.Dimming Light & Night Mode:The digital clock has 3-level brightness setting, you can freely adjust the light as your preference. Night mode will work at the period that you set. All setting will be memorized, no need to reset every time, very convenient.no blinding lights or any annoying sounds disturb your sleep, humanized design, create an peaceful environment for sleepLoud Alarm Clock & Snooze: Big snooze button helps you to easily turn off the buzzer but simultaneously prevent oversleeping. The clock will alarm every 2 minutes until you turn off the snooze mode by pressing any other buttons.Super Sensitive Touch Snooze ButtonDigital alarm clock snooze touch button is located on the top of the clock and can be easily turned off without opening eyes. To prevent oversleeping, the alarm will sound every 5 minutes until it is completely turned off, can set 5-60 Minute's Snooze Time, which is a good choice for heavy sleepers adults. Make your life easy and more convenientDual USB Charging Memory FunctionEquipped with two USB charging ports on the digital alarm clock, you can charge two devices simultaneously with total 2.1A output. No need to worry about low battery when you play your phone on the bed.Card buckle type battery cover, convenient disassembly without toolsDual Purposeyou can put the alarm clock at the desktop or on the wallInstall the way you likeMemory function:Built-in a CR2016 button battery, when the external power supply is powered off, the time and various settings remain unchanged. The time after the external power supply is cut off is not displayed, so as to avoid repeating the settings after the next use.Package includes:1 x LED Digital Alarm Clock1 x USB cable 1 x user manualNotes:1. Due to the difference between different monitors, the picture may not reflect the current color of the item. We guarantee the style is the same as shown in the pictures.2. Due to the manual measurement and different measurement methods, please allow 1-3cm devia3.The battery can only be used to memorize time and cannot be used directly. It needs to be connected to a USB cable for use