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, Rotate the timer clockwise to the end.Then turn it back to the number of minutes you want counterclockwise.When the time is up, it will ring automatically. Specification 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.10*6cm / 3.94*2.36in Gross Weight Approx.130g 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.