Marsden HM-201D Auto Height Measure with digital display. Measure attaches to Marsden column scales, displays weight and BMI is automatically calculated. Product Specifications Dimensions 40mm x 30mm x 1780mm Measuring Range 1.2m - 2m Increment 1mm Product Features Digital display Connects to Marsden column scales Marsden medical indicator as on models M-110 (Previously the MPPS-250) and M-100 Offers automatic readout of weight, height and BMI on the indicator