[High Quality Material]: The precision scale is made of stainless steel + ABS. The stainless steel worktop is easy to clean and more durable. It has a backlit LCD screen that clearly displays measurement results and is easy to read. Has been calibrated can be used. (2 AAA batteries included.) [Precision Weighing]: The digital kitchen scale adopts high precision detection technology, different weighing modes: g/oz/dwt/ozt/ct/gn/tl, which is convenient for weight conversion and avoids changing containers. It is equipped with tare weighing and automatic closing, energy saving function. [Removable Design]: The portable mini scale is light and compact, and the transparent cover can be removed and used as a tray to weigh small items such as powder, yeast flour, etc. The cover can reduce dust ingress when not in use and will not add any burden to you when you go out. [Wide Usage]: The precision balance meets a variety of weighing needs. It is suitable for cooking, resin jewelry, pharmaceutical coffee, herbal spice making and various DIY and crafts etc. Compact and economical both accurate and practical, suitable for a wide range of occasions. [Calibration Method]: Turn on the scale by pressing the ON/OFF key, wait until the display shows 0.0g, then press and hold the UNITS key until the display shows CAL, release it, lightly press UNITS , 100.0 is displayed and place the required 100g calibration weight in the center of the platform. The display will show PASS Then return to normal weighing mode. Calibration is complete.