Brand Name::MAYZUN Density Precision:0.001 g/cm3,0.0001 g/cm3, Weighing Range:0.01~300g Warranty:3 years;life-long maintenance Power supply:Default as European Standard AC 100V - 240V OEM:yes Operation manual:English Free shipping:DHL/UPS/FEDEX/TNT/S.F. Values showed:Purity,Karat,Density Features:Digital display Show More