| 摘要 |
Provided are: a timer device allowing a user to visually and aurally recognize time related to an object and reducing a problem of passing a time limit related to the object, and a time measurement system including the timer device.;A timer device measuring time related to an object comprises at least one of: a light emission part changing a light emission property in accordance with measured time; a sound output part changing sound output property in accordance with measured time; and a display part changing a displayed content in accordance with measured time. |
