American Weigh ScaleMate 500 x 0.1 gram Capacity	 500g / 17.64oz / 16.08ozt / 321.5dwt / 2500ct Readability	 0.1g / 0.005oz / 0.005ozt / 0.1dwt / 0.5ct Platform dimensions	2.8 X 2.5" Power	 AAA batteries included