We are glad you have selected to visit our store. Here you will find the PERFECT product you want. We hope you enjoy your shopping experience. We would love to see you all the time! \r\n\r\n\r\n\r\n ATTENTION:\r\n\r\n This is a Mechanical Timer, clockwork spring wind-up is required for every use. Please follow these 2 steps:\r\n\r\n Step One: Wind-up the timer\r\n\r\n Enable alarm by turning the rotary knob clockwise until the`pointer reaches 0.\r\n\r\n Step Two: Set countdown time\r\n\r\n Turn the rotary knob counterclockwise from 55 to the desired minute.\r\n\r\n DO NOT turn counterclockwise when pointer is at zero (0),\r\n\r\notherwise the clockwork mechanism will be damaged. Gentle handling will prolong the life of the timer.\r\n\r\n This 60 minute visual timer is the perfect tool to maximize productivity and concentration.\r\n\r\n Visualizing the passing of time is useful to understanding how much time is left for a given task, and motivating you to remain focused.\r\n\r\n It is highly suited to timing exams, homework, play time, TV time, cooking, etc.\r\n\r\n This 60 minute visual timer is fully mechanical, meaning you never have to worry about replacing batteries.\r\n\r\n This timer is great for stress free management at work, school and home.\r\n\r\n Alternatively, it is also commonly used in the home to make household chores run more smoothly.\r\n\r\n It’s perfect for managing time intervals in office, workplace, home and classroom.\r\n\r\n\r\n\r\n\r\nBefore every using time, always wind the knob clock wise to 55 around. Then wind back anti-clockwise to set needed alarming time, such as 5 minute. WARNING: IF DI NOT WIND THE TIMER CLOCKWISE TO 55 BEFORE EVERYTIME USE. THE TIMER WON\'T RING THE BELL WHEN TIME UP!!If you want to reset to 0, you may need to spin the timer to 0, and this time, you may still hear didi soud, please don\'t mind it, it will take 5 second to disappear