1.OneStepCalibration offers foolproof 'press hold calibration experience. 2.Precise Measurement sensitiveReloading grainscale with 50g x 0.001g/ 771gn x 0.02 gn. Utilizes the latest precision sensor system and heavyduty wind shelter to weigh more accurately. Better protect your health and more accurate for your demand. (Minimum measuring weight 0.05 grams for remarkable precision.) 3.MultiFunctions Scale'Tare' function allows you to Zero the Scale before adding additional ingredients, ensuring accurate measurements; The 'PCS' function enables you pieces counting such as pins, beads, screws; The 'Mode' function helps you choose the proper unit.Besides, it can alert users for low battery power, overload, and uneven surface placement. 4.Large LCD Backlit DisplayBuilt with a clear backlit LCD screen, the mini scale can convert measurement results between in g/oz/ozt/dwt/ct/gn in seconds. Comes with one trays, which can be used as protectors or scale trays. Meet your demand of measuring different things.