See postage at a glance. Size (W x D x H): 5.5 x 4.0 x 6.3 inches (140 x 102 x 160 mm); Main Material: ABS resin (main body) Accessories: Instruction manual (postage fee list); Maximum Weight: 17.6 oz (500 g); Scale: 0.09 oz (2.5 g); Adjustment Method: Rotating knob.