Classical Triangular Blue Digital LED Wood Wooden Desk Alarm Clock Thermometer(Bamboo) Item Description: This is a sleek, stylish and modern way to keep track of your time. This LED alarm clock will give any room the super modern look you've been searching for. Package include 1.5m USB cable and 5V Wall charger. Feature: Operates on 4 AAA batteries (not included) or aux cord (included) LED lights 4.5 x 3 x 3 inches Display mode: DP-1Time, date, temperature automatically take turns display DP-2only Time Calendar: 2000-2099 years 12/24 hour format selectable: (initial mode:24-hour; January 1 2014;12:00 clock) Every time can set up three groups of alarm, Each alarm 1 minute Sound are: bi bi bi ... 18:00-07:00 half luminanceand three luminance to set (L1L2L3) DC5V/500MA power supply by USB; ( or 3*AAA or 4*AAA; Sound control function is recommended ON, when batteries used);built-in battery keeping Time display program running inside but invisible outside. Sound control modePower-saving mode US Stock Fast Shipping