I am selling this item because I accidentally purchased the wrong color. This learning timer can be set for up to 199 hours, 59 minutes, and 59 seconds. It also features sound settings and an LED lamp notification function. - Model: LEARNING TIMER - Functions: Countdown, Count up - Maximum time setting: 199 hours, 59 minutes, 59 seconds - Sound settings: Silent / 1 second / 15 seconds - LED lamp: Notification function - Accuracy: 1/100 second count Thank you for looking.