This Accuchef compact scale delivers accurate weight up to 6.6 lbs, 3000g or 3129ml or 105.8 oz. This scale is great for measuring food or small items. It is simple to use with one button to turn the scale on or off as well as to access the tare function. The tare function lets you zero out the container and allows for the measurement of multiple ingredients in the same bowl. The "UNIT" button toggles the different units of measures available: g, lb/oz, ml. This scale uses a CR3032 battery which is included. The auto shut-off feature saves on the battery and it also has a low battery indicator to give you notice to change the battery.