As babies are unable to stand up on his own, the height scale measurement need to perform with baby lying down on his or her back. Track your child's growth at home with easy to assemble and simple to use HM80D. HM80D height scale measurement is easy to carry because of its lightweight and detachable parts. Product Description Measuring range 35~80cm Division 1mm Digital type Product Specifications Measuring range 35~80 cm Graduation 1 mm Dimensions 290x870x70 mm Weight 0.6 kg Power supply Battery Features Digital baby height rod for use on the table and to be assembled with baby scale