Like the beam model, the digital waist-high scale is constructed of the latest, lightweight, state-of-the-art materials. It features easy-to-read, rapidly stabilizing digitals. Capacity is 400 lb x.5 lb with kilo conversion switch to 180 kg x .2 kg. Power: 6 "D" cell batteries (included). An optional 8-ft. long electrical cord with 3-prong plug may be purchased separately.