With height rod available * Features 550 lb x 0.2 lb / 250 kg x 0.1 kg capacity  14 in W x 15 in D x 2.4 in H low-profile platform  inline mechanical height rod (measures 30 in to 84.5 in / 76 cm to 214.5 cm)  eye-level weight display and column  one-inch-high LCD readouts  Body Mass Index calculation  integral wheels for mobility  one RS232 serial port  and convenient audible beep confirmation * Indicator features 8 buttons that are easily identifiable in any language * Powered by 6 AA batteries  which are included  or an optional AC adapter *