3. Comes with 50g calibration weight, easy re-calibration to accurate readings all the time; 2. Multi-function: g/oz/ozt//ct/gn fast switching of six units, large LCD backlit display, digital display is larger and easy to read 4. Clamshell design can better protect the weighing ;180 seconds no operation automatically shut down, saving 1. Built-in high- sensor, high accuracy, smaller error, fast response and very sensitive, the minimum weighing weight can reach 0.01g, the increment is 0.01g, and the maximum range is 200g 5. Pocket size, and portable, suitable for carrying around, Manufacturer: Akfldms