The Solo scale features 550 lb capacity, 14"W x 15"D x 2.4"H low profile platform, inline mechanical height rod (measures 30" to 84.5"), eye-level weight display and column, one-in-high LCD readouts, Body Mass Index calculation, integral wheels for mobility and convenient audible beep confirmation. The Solo scale is powered by 6 AA batteries, which are included or an optional AC adapter (not included). Capacity 550 lbs.