Versatile and small, this pocket scale is extra-sensitive just like bigger and more expensive scales. Ideal for the lab or science classroom needing to weigh items for experiments and tests. Measures weights up to 500 grams (18 ounces) in 0.1 gram (0.005 ounce) increments and has counting, tare, and display hold features. Automatic shut-off ensures long battery life. Uses an included 9 V battery.