Accurate mini scale weighs to .5 grains.
Weighing Modes: gram, grains, ounces, carat.
100 g x 0.02g (1543 grain max x .5 grain)
5-3/8"Lx 3-1/8"Wx 5/8"H.
5-Year Limited Warranty.
Operates on 2-AAA batteries(Included).