NOTICE all the 60 minutes mechanical time MUST rotate clockwise to 55 to wind up first, then rotate counterclockwise to any time you need, IF NOT, IT MAY CAN'T RING. The deviation is +/-5% in line with industry standards. All mechanical time managers are not exactly accurate to the second. High Quality Kids Time Management, Useful for time management of baking cooking yoga exercise rest facial mask leaning teachers and children. Kitty Cat Cute Kitchen Timer, Made by environmental ABS plastic, 4.33 X 2.76inches appropriate size , lovely kitty cat design add an adorable point of interest to your kitchen gadgets, easy to use and clean. Necessary Cooking Timers Reminder, Kitchen tools for each family, easy use and making cooking fun. Safety & Best Service, 30 days full money refund, any problem just contact us, we would reply within 24 hours.