Dianoo Wooden Series Modern Mini Triangle Wood Alarm Clock - Time Temperature Date - Sound Control (Black Wood + White Light) Fashionable and portable digital desktop alarm clock for home & office; Clear LED Display: Time (12/24 hrs) and Temperature ( C/F) Display can be set to be Sound Activated mode (Clock keep working) OR stay on all the time. In sound activated mode, display turns off after 15 seconds. Clap hands/make a sound/simply touch the clock to activate the display to read time. Optional Three Alarm Settings with "beep" sound lasting 1 minute. Working Voltage: 5V, Calendar: Can display any year from 2000 to 2099 New Version LED Display Auto Brightness: display auto dim after 22:00, comfortable brightness at night