Product description&lt Material: Acrylic + Plastic&lt Display Color: White, blue, green&lt Display: Digital LED&lt Power: 5V/1A&lt Battery: CR2032&lt Powered by: USB ( USB cord included)&lt Function: Time Display/Alarm/Snooze&lt Size: 24*9.4 *4.2cm&lt Package:&lt 1 x LED Digital Alarm Clock&lt 1 x USB Charger Cable&lt 1 x Clock Manual&lt 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.&lt 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.&lt 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.&lt 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.&lt 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).