Mechanical Alarm Clock Magnetic Kitchen Timer Stainless Steel Timer Baking Reminder for Learning Time Management Please follow the steps I told you to test it. Step 1: Rotate to 55 Step 2: Rotate directly to 0 Then check to see if there is a ringtone !!! Usage: First rotate to 55 degrees, then counterclockwise to the desired time Features: 1. Timing / countdown, easy to use. 2. Adsorption magnet design, the magnet can be fixed on the refrigerator or metals surfaces. 3. Flying butterfl y design can accurately grasp every minute of delicious food cooking Description: The operation is simple, and the time can be measured by gently rotating; Operation method: 1. Set the scale to zero before use, 2. Rotate it clockwise to scale 55, 3. Turn it counterclockwise to scale 15. Note: the timer has been equipped with anti torsion device. Do not directly start from 0 to reverse the explosive force rotation, which will cause damage to the timer. Specifications: Applicable to: all kinds of time management, business, sports and fitness, learning efficiency, entertainment timing, kitchen cooking timing, etc Style: modern simplicity Material: ABS + stainless steel Size: 79*79*30MM Package Included: 1 * Timer Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object. _x000D_ _x000D_