No more screwdriver calibrations and no more unstable platforms with this motionless weighing system created by a single-point load cell. This model scale features an eye-level, wall mount digital display for easy reading. You can also opt to use it as a remote display for more flexibility. The BWB-800S is Tanita's best selling digital scale! And it's protable as well, still allowing for unbeatable accuracy, stability and durability. Maximum capacity is 440 lbs x .2 lb. Platform dimensions are 1.8" W x 13.25" D x 3.12" H with a display cord lenght of six feet. Powered by an AC adapter, which is included, or six AA batteries (not included).