Instructions for timer: Before each timing, we should be turn clockwise to 58 scale. And Can't exceed 60 scale or scale (0 scale ) . Then back to the time you want. For example, 5 minutes or 10 minutes, there are 3-5 seconds of the Ringing alarm until time, Direct to 5 minutes without sound.Do not reverse it too hard. Otherwise ,the inside of the machine will be misaligned. The 0 scale will not be able to return to the triangle scale. It will not be timed. Operate strictly in accordance with the method of use. Otherwise it is easy to screw it up. DESCRIPTION Material: Stainless steel Shape: apple/ eggs(optional) Size: about 7cmx6.2cm/ 8cmx6cm Color: Metallic Silver Function: time pre-set, reminders Features: High quality stainless steel material, fine processing, beautiful and durable Scale accurate, stylish design NOTE: This product is a mechanical countdown timer. It must be operated according to the instructions. Every time you count, you must first turn to 55, and then return to the time you want to set. Otherwise, the alarm will not be activated. Do not twist in the opposite direction, and do not turn clockwise more than a full circle, otherwise it will be broken immediately).