[High Quality Materials]: The portable scale is made of stainless steel + ABS, the stainless steel worktop is good for cleaning and more durable, built-in blue backlit LCD display, large digital screen allows you to read easily and clearly. (2 AAA batteries included.) [Delicate Design]: The 0.01g precision scale has a modern and simple design, combined with high precision detection technology, 7 weighing modes (g/ct/oz/gn/ozt/dwt/tl) to read results quickly and precisely, with the protective cover and thin and light body, you can carry it. [Easy to Use]: Simple design of electronic caliper operation button, tare function, automatic shutdown after inactivity, help save energy and battery efficiency. When you encounter problems such as overweight / insufficient battery / uneven positioning, it will send a reminder, which is more convenient to use. [Wide Use]: This precision scale will help you meet various weighing needs, such as gold jewelry, cooking food, coffee, tea, coins, medicine, DIY, etc., compact and convenient. [Calibration Method]: Turn on the scale by pressing the ON/OFF key, wait until the display shows "0.0g", then press and hold the MODE key until the display shows "CAL", release it, lightly press the MODE, "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.