As babies are unable to stand up on his own, the height measurer 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 HM100M. HM100M height measurer is easy to carry because of its lightweight and detachable parts. Product Description Measuring range 10 ~ 100 cm Division 1mm Manual type Product Specifications Measuring range 10~100 cm Graduation 1 mm Dimensions 290x1040x55 mm Weight 0.8 kg Power supply - Features Mechanical baby height rod for use on the table