Its Strong, durable and wide die-casting metal tread platform (including base also) for extreme loads, its convenient mobility and power back up feature makes it An abbreviation of 'modern convenience' in hospitals for nursing staff. Its caster wheel provides the possibility for mobile use. The clinical trial in UK proves this device efficient and userful as a critical reference of body fat. Product Description Law battery consumption 100 hours Selectable Auto Off function between 120 , 180 ,240 seconds. Auto Zero Tracking Full Capacity Taring Function Simple Calibration Procedure with user manual. Die-casting base structure offers durable performance. Extreme large 1 inch LCD display Bubble level for level adjustment. Rubber mat to avoid slippery. Four adjustable feet for level adjustment. Hold function for locking weight value of moving patient. Print function is catering data output capability to PC or thermo printer. Low profie base platform design. Easy to operate user interface design.