Cute Cyan Cloud Shape Sound Control Digital USB Alarm Clock USB/Battery Power Supply + AC Adapter Creative Alarm start function: Gently shake or clap the alarm when the alarm activation time display, automatically OFF after 5 seconds can be connected with the computer through the USB data lines or the installation AA batteries(Not included) Placed on the desktop or Hung On the wall as you like Display Time & Date, with Alarm&Snooze ;24 Hour time format Material:ABS; Size:158mm*100mm*42mm; Input:DC5V 500MA