SR555 Stand-on Scale System - 1,000 Pound Capacity is a precision digital scale specifically designed for mobile patients. The SR555 features one button auto zero for quick and easy operation. Integrated "T" handle support will not affect the patient's weight. Specifications- Maximum capacity: 1,000 lbs, Display Resolution: 0.1 lb , Accuracy: 0.1% +/- 1 digit of displayed resolution for calibrated range. Features- Platform size: 15 3/4" x 18 1/2", Low profile: platform height: 2" with adjustable feet, Portable: Built-in wheels, just tilt & roll, Display readout: 16-character dot matrix LCD, Display units: Pounds or kilograms, Auto zero: One button operation, Auto power shut down: Approximately 35 seconds, Hold button: Stores displayed reading in memory, Weight recall: Press Hold button to recall last stored display reading Averaging: Automatic digital filter, Power source: Six (6) "C" cell batteries, Average readings: 10,000, Low battery indicator: Will be displayed, Warranty: Four year limited. Shipping Weight: 32 lbs.