Precision Digital Scales 100g x 0.01g Reloading Powder Grain Jewelry Carat Black With Three Weighing Modes Features: . High precision strain gauge sensor Stainle platform Tare function Low battery&overload indicator Easy to carry and store Flip-open lid protects the weighing surface when not in use Specifications: 1.capacity/accuracy: 100g/0.01g 2.unit switch:g/oz/ct/gn/ozt/dwt 3.power supply:2*AAA batteries( battery not included ) 4.background light color:blue 5.display:LCD 6.color:black/silver 7.LCD screen size:34.8*48.0*1.1mm 8.weighing platform size:6.3*7.5cm 9.Item dimension:7.6*12.8*2.0cm 10.N.W:105g Calibration: 1:Reset the scales by preing [ON/OFF] key 2: Wait until the LCD display 0.0 and then pre and HOLD [UNITS] or [MODE] key for 3 seconds,the LCD will display CAL,and then release the [UNITS] or [MODE] key 3:Pre [UNITS] or [MODE] key again,the LCD will display CAL followed by the required calibration weight 4:Add the required calibration weight,the display will show PASS and return to normal weighing mode.(some item need Pre [Units] or [MODE] key before step 4) 5:Put away the calibration weigh and pre [ON/OFF] to turn off the scales and the calibration is finished. Operation instruction : Please put the scale on flat table 1:Pre [ON/OFF] to switch on 2:You can pre"M" to unit conversion when 0.0 or 0.00 show on the LCD 3:Put the goods on the scales after using conversion 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 environment 3:Need to be cleaned when the scale body have stains,wiping with dry towel is okay. 4:Pay attention to the waterproof 5:Due to the international logistics,the scales is without battery,you need to prepared yourself. Thanks a lot for your support and understand Package includes: 1XDigital scale 1XEnglish manual