1、Mechanically operated timer does not require batteries. 2、This timer is great for use in salons, offices, labs, schools or in the kitchen. 3、Enjoys a loud ring, which can easily be heard from across the room. 4、Timer can be set up to 60 minutes. 5、Made from premium stainless steel, anti-rust and durable. Features: Mechanically operated timer does not require batteries. This timer is great for use in salons, offices, labs, schools or in the kitchen. Enjoys a loud ring, which can easily be heard from across the room. Timer can be set up to 60 minutes. Made from premium stainless steel, anti-rust and durable. Easy to set. Simply turn the dial to desired time. Operation Methods: First, turn dial clockwise as far as it will go.Then turn it back to the number of minutes you want counterclockwise.When the time is up, it will ring automatically. Specification: Condition: 100% Brand new Material: Stainless Steel+Plastic Color: Silver Timer range: 60 minutes Working angle: 360° Size: Approx. 6.8* 9.2cm / 2.68* 3.62in Gross Weight: Approx.100g Package List: 1* Kitchen Timer   Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.