Operation Methods: First, turn dial clockwise to the scale of 60.Then turn it back to the number of minutes you want counterclockwise.When the time is up, it will ring automatically. 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 room. Timer can be set up to 60 minutes. Made from premium ABS material, anti-rust and durable. Easy to set. Simply turn the dial to desired time. Specification: Condition: 100% Brand new Material: ABS Color: As shows in pictures Timer range: 60 minutes Working angle: 360° Size: Approx.6*6*5cm / 2.36*2.36*1.97in Gross Weight: Approx.70g Package List: 1* Ladybug 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. Enjoys a loud ring, which can easily be heard from across room. This timer is great for use in salons, offices, labs, schools or in the kitchen. Mechanically operated timer does not require batteries. Timer can be set up to 60 minutes. Made from premium ABS material, anti-rust and durable.