This is an incredibly loud alarm clock. It's so loud that you're guaranteed to wake up, but we don't need it anymore, so we're getting rid of it. Buy it if you have trouble waking up! LOL Operation has been confirmed. The alarm is also intense. Digital display radio wave controlled desk clock with temperature and humidity display. - Model Name: Super Raiden - Display Type: Digital - Features: Radio wave control - Temperature: 22.4℃ - Humidity: 45% Thank you for looking.