MULTIFUNCTIONAL- Scale is able to weigh in various measurements, making it perfect for all your weighing needs! Weighs in g, oz., ct., ozt., dwt and gn. Whether you are weighing gold, powder, medication or anything for cooking this scale has the right measurements for you! TARE FUNCTION- Scale comes with a tare function for items that are difficult to weigh and need to be placed in a container or on one of the weighing pans. Place your container or pan on the scale, press the tare function and then put your items in the container/pan. ACCURATE- Utilizes high precision sensor system to get an accurate reading every time! This scale has a thousandth of a gram accuracy (0.001g) so it is extremely precise. This accuracy takes the guesswork out of measuring finer items, so you can just place the items on the scale and know that your reading is the most accurate it can be with this top of the line scale! CALIBRATION WEIGHTS INCLUDED Although your Smart Weigh scale will arrive calibrated, we have included two Smart Weigh 10g calibration weights. Should you notice any inaccuracies in your scale throughout your time using it, simply use these weights and follow the directions to re-calibrate it so you can continue to use your scale accurately! CUSTOMER SATISFACTION All Smart Weigh scales are individually tested and backed with a Two-Year Warranty Precision Doesn't Get Any More Accurate With This Scale! The Smart Weigh GEM20 Digital Milligram scale is one of the most accurate weighing tools on the market. From medication to precious gems, this versatile scale will serve all your weight measurement needs. It is equipped with high-precision sensors that give an accurate measurement in increments of .001 gram. We got you covered! The scale features multiple measurement modes which will surely meet your needs. Includes: g / oz / ct / ozt / dwt / gn. The convenient tare function allows you to get the net weight of a product you are weighing. The tare function is perfect for using the tray. Simply place the tray on the scale, press tare, then add the items you are trying to weigh.