Certification : NONEType : Medical / Personal ScalePower Supply : 2*AAA batteries(not included)Size : 142*85*25mmModel Number : Mini Digital ScalesCapacity : 0.01gAccuracy : 0.01gRated Load : 200gDisplay Type : LEDCapacity : 0.05g-200gUnit switch : g/oz/ct/gn/ozt/dwtBackground light color : YELLOWWeight : 176gAuto off : 180 second offWeighing platform size : 58*58mmJewelry Scale : High Precision200g x 0.01g Digital multi-function Scales 0.01High Accurate yellow backlight for Gold Sterling Silver Jewelry Medicinal 40%offFeatures:200g capacity and 0.01g accuracyHigh precision strain gauge sensorStainless Steel PlatformCounting FunctionTare FunctionAuto CalibrationAuto power offLow battery&overload indicatorEasy to carry and store50G calibration weight togtherSpecifications:1.Capacity:0.05g-200g2.Accuracy:0.01g3:Unit switch:g/oz/ct/gn/ozt/dwt4:Power supply:2*AAA batteries(not included)5.Background light color:yellow6.Display:LCD7.Auto off:180 second off8.Weighing platform size:58*58mm(L*W)9.Item dimension:142*85*25mm(L*W*H)10.Weight:176gOperation instruction:Please put the scale on flat table1:Press [ON/OFF] to switch on2:You can press"M" to unit conversion when 0.0 or 0.00 show on the LCD3:Put the goods on the scales after using conversionCalibration:1:Reset the scales by pressing [ON/OFF] key2: Wait until the LCD display 0.0 and then press and HOLD [UNITS] or [MODE] key for 3 seconds,the LCD will display CAL,and then release the [UNITS] or [MODE] key3:Press [UNITS] or [MODE] key again,the LCD will display CAL followed by the required calibration weight4:Add the required calibration weight,the display will show PASS and return to normal weighing mode.(some item need Press [Units] or [MODE] key before step 4)5:Put away the calibration weigh and press [ON/OFF] to turn off the scales and the calibration is finished.PCS(Counting function)Select 25pcs of samples(or 50,75,100pcs of samples) At normal weighing state, put the samples on the scale, then press PCS 4 seconds and the scale shows the weight of the samples, press PCS to confirm, then LCD will display PCS+ sample value.You can put more articles, the scale will show "PCS XXX", which is quantity of articles.Attention:1:Do not operate beside the computer or someplace with high radiation,do not have wind.2:Remember to take off the battery when you do not use it for a long time,do not store in humid environment3:Need to be cleaned when the scale body have stains,wiping with dry towel is okay.4:Pay attention to the waterproof5:Due to the international logistics,the scales is without battery,you need to prepared yourself.Thanks a lot for your support and understand !