Features:1. Easy to use and reliable: There are 3 buttons to set the time, alarm clock, light, which can be easily customized. As we know, simpler, more reliable.2. Adjustable Brightness: 3 brightness levels allow you to see the time clearly. The darkest light (L0) is faint enough to allow you to sleep in a dark environment. We take into account different people's needs for light and try not to interfere with someone's sleep. Large Display & Room Decoration: The large display allows you to see the time in the whole room clearly. The sleek and modern design also works for a great clock for the office, but also a good bedroom decoration, suitable for women and girls.4. Snooze function: a single large snooze button on the top, allows you not to press the snooze button, which is very useful. You can set the snooze time from 5 to 60 minutes based on your need.5. Dual Charging & USB Memory Function: Equipped with 2 USB charging ports, you can charge your phone, tablet and other devices. The memory backup battery (included) can store time in case of power failure.6. Tips: The clock is powered by USB, the battery is only for memory and alarm time. Description: Easy to use and reliable. There are 3 buttons to set the time, alarm clock, light, which can be easily customized. As we know, simpler, more reliable. Specifications:Shell Material: PlasticMirror Material: Plastic MirrorDial Material: PlasticSize: 158*55*87mmPower Mode: 5V 2A Package Includes:1*LED Alarm ClockUSB Cable 1*2m1*CR2016 Button Battery (Insulation)1*Manual (Bilingual Version)1*Bubble Bag1*Cow Leather BoxNotes:1. Please allow 0-1 inch error due to manual measurement. Thank you for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object.