Drip Scale from Hario allows you to simultaneously weigh coffee beans, measure hot water and time the extraction, which are the main parameters for the production of quality coffee from a dripper or Chemex. Drip Scale makes brewing of your favourite coffee even more pleasant! Thanks to the great design and high-quality workmanship, the scales will be a perfect decoration in every kitchen and you can use it to weigh more than just coffee. A built-in timer, tare option, clear display and simple use guarantee the comfort of use. The scales are powered by two AAA batteries (included), the maximum weighing range is 2 kilograms.Hario Drip Scale changes their precision as the weighed mass increases:Weight Precision level0 - 200g 0.1g200 - 500g 0.5g500 - 2000g 1g