7-Inch Digital Alarm Clock, Table Clock,Night Light Dimmer,Snooze, USB Ports, Super Loud Alarm for

This premium digital wall clock must be plugged into electricity to function, and the cable is included in the box. It will not run on battery alone, as the battery will drain within 3-4 days due to LED power consumption. Electricity is necessary and can be supplied from an external source like computers, electric boards, etc.