Features: 1. When you are ready to start weighing on your Smart Weigh scale, first make sure it is on a hard-flat surface to ensure an accurate reading. 2. Using the "TARE" Function: If you need to weigh an object that can only be weighed in a container, such as a liquid or powder, the "TARE" function is extremely helpful. 3. Enabling/Disabling the Auto-Off Function: This scale comes equipped with an auto-off function. After 1 minute of inactivity, the scale will automatically shut off. There is an option to shut off this feature which is convenient when weighing items that are fine and require extremely precise measurement. 4. PCS Function: This scale also comes with a piece counting function. Simply change the mode, place a sample amount on the scale platform, and then add products. The scale will count the number of items on the scale for you 5. This pocket electronic scale has Eight-unit conversions, convenient to use. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Type: Mini Digital Scale Size: about 12*7*3.8cm Style: Battery type(2 x AAA Batteries (Included)), USB plug-in, USB charging Accuracy: 10g/0.001g, 20g/0.001g, 50g/0.001g, 100g/0.001g includes: Choice 1(Battery type): 1 x Small Digital Scale 1 x weighing tray 1 x tweezers 1 x gram calibration weights 2 x AAA Batteries Choice 2(USB plug-in type): 1 x Small Digital Scale 1 x weighing tray 1 x tweezers 1 x gram calibration weights 1 x USB cable Choice 3(USB charging type): 1 x Small Digital Scale 1 x weighing tray 1 x tweezers 1 x gram calibration weights 1 x USB cable