GING YHAU Alarm Clock Large Digital Rotating Base Clock BedroomGING YHAU Alarm Clock Large Digital Rotating Base, 2 level Brightness Digital Clock Bedroom, Bedside Alarm Clock, Format Socket Power Supply Simply plug the power cord into a standard American 120V socket for AC 120V power. AAA backup batteries (excluding batteries) are located at the bottom of the clock to prevent power outages and do not require resetting time settings. 1 2 3 4 Easy to use and elderly friendly this bedroom bedside clock is your