1.MECHANICAL DEASIGN:Mechanial clockwork makes it work without battery,it is environmentally friendly and could work . 2.MAGNET :Magnets on the back for adsorption on iron-containing objects such as refrigerators and ovens. 3.INDICATOR :with a red indicator area on the dial,it's easier to recognize as the pointer moves even in a distance. 4.72 DB REMINDER :it's suitable for a of scenarios.Suggest to use it in the room where you are. 5.Corrosion-resistant and oxidation-resistant metal casing color:red Material:Stainless steel Package Contents: 1* Kitchen Timer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.