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 Color: Silver Timer range: 60 minutes Operating direction: Clockwise Force running motion: ≤ 0.45N.m Working angle: 360° Ringing time: 5 seconds Size: Approx. 7.5* 7.5cm / 2.95* 2.95in Gross Weight: Approx.90g Package List: 1* Kitchen Timer Notice: Do not force too much when turning dial, so as not to damage the built-in movement. Do not repeat the rotation back and forth many times so that the built-in movement is not damaged. 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.