Product Material: acrylic + plasticDisplay color: white, blue, green, red (optional)Display: Digital LEDPower supply: 5V/1ABattery: CR2032Power supply method: USB (USB cable included)Function: time display/alarm clock/snoozeSize: 24*9.4*4.2cmPackage:1 x LED Digital Alarm Clock1 x USB Charger Cable1 x Clock Manual1. Modern Design: This alarm clock chooses 12 hours/24 hours format. You can set 12-hour mode or 24-hour mode by pressing and holding the + button for 3 seconds. It adopts 24*9.4cm super large 3D LED display, which is clear and easy to read at night, and the time is clear at a glance, especially suitable for children and the elderly.2. Adjustable brightness and night light: 3 levels of brightness, freely adjust the digital wall clock according to your needs. The LED digital alarm clock will be intelligently dimmed by 20% from 18:00pm -6:00am. If you need a night light. This electronic wall clock is your best choice.3. Two-way easy placement: Use the integrated keyhole to easily install as a wall clock, or use the fixed base to install as a desk clock. It takes up very little space in your room or luggage when you travel. Our electronic clock can also be conveniently used as a kitchen, hotel, table, desk, office or bedside clock.4. Alarm clock and snooze function: The multifunctional digital clock has a wake-up function and a snooze function. And you can freely adjust the snooze time. This digital alarm clock makes a great Christmas gift for kids or teens.5. Energy saving and environmental protection: ultra-low power consumption LED, low cost, only 5V can be connected to the USB interface. A convenient USB port fits anywhere. Warm Tips: The lithium battery (included) only has a memory function to provide power, and it can light up via USB (included).