Mini Wooden Triangle Thermometer Touch Sound Activated Desk LED Digital Alarm Clock (Black) 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. LED Display Auto Brightness: display auto dim after 22:00, comfortable brightness at night