describe1. Main features: 50g / 0.001g2. Nominal value: 0.003g, repeatability: 0.002g, resolution: 0.001G (Key indicator: When the weight of the object with a load of 0.001G is greater than 0.003G or more, it can be identified by LCD.)3. Ruler size: 144x84.5x51mm4. LCD (blue backlight) size: 375x15.5mm5. Battery: 2xxAAA (not included)6. Low battery alarm: Lo7. Platform size: diameter 32mm (including stainless steel plate)2. Function buttons and descriptions1. ON/OFF (power on/off) Put the battery into the battery compartment of the scale, place the scale on a firm and flat table without wind and vibration, and keep the air bubble in the center of the black circle. Turning ON/OFF will show 88888 then 0.000and it's ready to work. Press ON/OFF to turn off the scale. If there is wind while weighing, lower the windshield.2.UNIT (unit switch button) PressUNITto switch weighing unit: g/oz/gn/ct/t/ozt Press and holdUNITkey for 4 seconds, all units are turned on, drive OZ flashes, then press PCS and long press Or turn off the machine, press UNIT to select the next drive,the g drive cannot be turned off. Press and hold [UNIT] for 4 seconds to restore the normal weighing state.3.TARE Touch [TARE] a to reset to zero.4. PCS (counting function) selects 25 samples (or 50, 75, 100 samples) In normal weighing state, put the sample on the scale, then press PCS for 4 seconds, the scale displays the sample weight, press PCS to confirm, the LCD will Displays PCS and samplevalues. You can put more items and the scale will show "PCS XXX" which is the number of items.3. Calibration function Turn on the balance, press and hold the ON/OFF button for 4 seconds, the balance will display 0 and then the weight value (if the capacity is 30g, 30000 will flash), put the 30g calibration weight on it and display PASS, then thecalibration is completed. (The product contains 20g calibration weight, you can press PCS to reduce the weight value to 20g, and then enter the 20g weight for calibration), when the calibration value flashes, press UNIT to increase the value, andpress the PCS key to decrease the value. According to the increase or decrease of 10G, we can choose the appropriate calibration weight, and the system will remember the last setting operation.Four. Automatic shutdown setting to turn off the scale, long press ON/OFF for 4 seconds to display 88888 and F1-1, press UNIT to select the correct startup time (0 to 5), 0 = no automatic shutdown, 1-5 means that the scale will Automatic shut-down. Ifnecessary, you can choose the right moment. After the setup is complete, the scale can work normally.Five, matters needing attention1. This product is a precision measuring instrument. Please pay attention to the operation2. Put the scale on a firm and flat table, no wind or vibration, keep the air bubble in the center of the black circle3. To use the scale in a windless environment, place the windshield in the wind.4. The scale should be more than 50cm away from the mobile phone.5. Please calibrate when the weight environment changes, even if the temperature changes by only 1 degree.6. FULL will be displayed when overloaded.7. Do not use this product in a humid environment. When not in use, remove the battery and store it in a cool, dry place.8. Do not use aggressive cleaners to clean the product.Quantity shipped: 1 piecePackage Contents: Only the above package contents, excluding other products.Size: 137x86x48mm(Reminder: The size is measured by hand, please allow 1-2 cm measurement error)Colour: Black(Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.)BAZHOU