Smart LED Clock Bedside Digital Alarm Clocks Desktop Table Electronic Desk Watch Snooze Funtion USB Wake Up Alarm Clock Digital  Product Features: 1. Time display-12/24 hours system 2. Date display 3. Temperature display 4. Alarm clock function 5. Brightness adjustment 6. Voice control function (available when using battery) 7. Snooze function 8. Power saving mode 9. Time memory function 10. Adjustable snooze time 11. Alarm clock weekday mode 12. Adjustable night mode time Product Parameters: Name: led mirror alarm clock Material: abs plastic Size: Length 16cm, width 1.8-2.5cm, height 6cm Two power modes: battery (3 AAA batteries, you need to buy it yourself) or charging (DC 5V) Instructions for use: 1. Turn on the display, turn off the screen automatically after 16 seconds 2. Single press the Up key to directly adjust the two levels of brightness