The kitchen Timer is made of 304 stainless steel, water-proof and corrosion-resistant. The Mechanical timer has an inbuilt 70db alarm, it doesn't need any batteries which makes it energy efficient and environmentally friendly. The alarm is quite loader; can be easily heard within a radius of about 10m under low noise conditions which means that you'll never miss it even if you're in another room. Use this cute timer to stay focused on your tasks and activities. Compare to other manual timers this timer is designed to provide you with the most accurate, precise and error-free timing