I'm selling this because I bought it about two months ago and haven't used it much. Amazon: https://amzn.asia/d/gjPpwSS I will clean it with alcohol before shipping. Box included, no instruction manual. Batteries included. No issues with operation or sound. The original Time Timer from Time Timer, a company with over 20 years of sales experience in over 30 countries. Perfect for time management! It can be used in a variety of ways, such as an alarm for children's study, task management in the workplace, a kitchen timer, or a school timer. This is a stylishly colored and designed Time Timer MOD limited color (pale gray). *Cover sold separately (Please use the Time Timer MOD Home Edition cover) The TimeTimer is useful when you want to create focused time or when you want to act with a set time, and it is a visible timer that manages the time of everyone, from children who cannot read clocks, children and people with developmental disabilities who are not good at time management, to adults who want to use their time effectively.