and high qualityTurn clockwise to 60, turn conuter-clockwise to the number of minutes required, a will ring when all the minutes are elapsed.Please Operate strictly every time according to this .It is really a useful life helper, and also can collect it as a handcraft.The delicious food is ok when the is ringing the cook easier Mechanical kitchen timer1 - 60 minutes adjust arbitrarilyColor: SilverMaterial: Stainless steelSize (H*Bottom Dia.): 60 x 58cm/236"x228"(approx)Quantity: 1 pcNote: If the clocking is 5-6minutes, this won't ring .If the clocking is more than 10minutes,this will ring. Thanks for your understanding.Package includes:1 x TimerNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.