[80dB LOUD ALARM]: The kitchen timer will make 80 decibel sound alarming and will last 3secondsand30miliseconds (Test distance 0.98 foot) when times up. you will easily be able to hear this alarm in another room. It is loud and clear. you will no moreworry about overcook. [EASY TWIST OPERATION] : The Mechanical timer doesnt need any batteries which makes it energy efficient and environmentally friendly. 60-Min cooking timer designed for kitchen cooking time control .one key operation. So simple that elderly and kids canuse it easily. [ STRONG MAGNETIC BACK]: A square strong magnet on the back of the mechanical timer allows you attach the timer on Fridge, Refrigerator and other iron surfaces in the kitchen. Ideal for special needs, children, parents, teachers, office staff or professionals,and students. [VERY IMPORTANT 2 STEPS]: Step-1andgt Before EVERYTIME use, wind the timer knob clockwise a full round, starts from 0 and ends to 0 until the timer pointer aligned with zero symbol. Step-2andgt Wind the timer knob back counterclockwise to the minutes(number) you wanted it to ring. If fail to complete these 2-step procedures, the timer WONT ring.