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. Specification: Material: ABS 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. The timer designed for mechanical operation does not need batteries, which is energy-saving and environmentally friendly This kitchen timer is widely used and is very suitable for use in salons, offices, laboratories, schools or kitchens The kitchen timer enjoys the loud ringing tone, which can be heard from the other side of the room, practical and reliable The kitchen timer can be set to 60 minutes, easy to set, just turn the dial to the required time The kitchen timer is made of high-quality ABS material, rust-proof and durable, with long service life