Material: Acrylic + Plastic Display Color: White, Power: 5V/1A Battery: CR2032 Powered by: USB ( USB cord included)Function: Time Display/Alarm/Snooze Size: 24*9.4 *4.2cm Package:1 x LED Digital Alarm Clock1 x USB Charger Cable1 x Clock Manual 1. Modern Design:This alarm clock has selected 12H / 24H formats. You can set the 12 hour modes or the 24 hours modes by press + button for 3 seconds. With 24*9.4 cm large 3D LED display, easy to read at night,time is clearly to see at a glance which especially suitable for child and seniors. 2. Adjustable Brightness & Night Light: 3-leveled brightness, free adjust the digital wall clock by your needs. The LED digital alarm clock will smartly dim down by 20% in 18:00pm -6: 00 am. If you need a night light. this electronic wall clock is your best choice. 3. Two Way Easy Placement:Effortless to mount as a wall clock using the integrated keyholes, or as a desk clock using the fixed base. It only takes up few space in a room or in your luggage when you travel. Our electric clock is also convenient to use for kitchen, hotel, table, desk, office or bedside clock. 4. Alarm and snooze function:The multifunctional digital clock has wake up function and snooze function. And the snooze time can be freely adjusted. This Digital Alarm Clock is a fantastic Christmas gift for children or teens. 5. Energy-saving & Eco-Friendly: Ultra-low power consumption LED, low cost, only need 5V even you can connect USB port. The convenient USB port is suitable for use anywhere. Warm Remind: Lithium Cell Battery(included) just has memory function, can provide power supply, it just can light up by USB(included).