Forhome Mini Cube Clap-on Alarm Clock, Black Wood Blue Led Light With Time, Date and Temperature Display Clap-on cube alarm clock, display the time, date and temperature automatically Blue led with black wood veneer, about 2.5 inches square Clap your hands could wake up the clock, the sound control is available Alarm Clock with "beep" lasting for 1 minute Daul Power Supply: 4*AAA batteries(not included) or DC 5V/500MA