... 5-300g 2..Power: 100-240V 3..Display: gram, gold K, %, specific gravity 4..precision balance ... Jewelry Tester 1.11 Metals analysis 2.Precision:0.1%,1%-99.99% 3 ... Rh ,Ru ,Cu,Zn ,Ni,Cd,In(Gold,Silver,Platinum,Palladium,Rhodium,Ruthenium,Copper,Zinc,Nickel,Cadmium ... Rh ,Ru ,Cu,Zn ,Ni,Cd,In(Gold,Silver,Platinum,Palladium,Rhodium,Ruthenium,Copper,Zinc,Nickel, ...