Physicians Digital Waist High Scale 600 Lb Capacity Commodes (9 kg) * Easy to clean molded 01804 (9 kg) * Easy to clean molded durable ABS plastic seat and back with built in clipboard holder * Stair Chair functions well in confined areas such as narrow hallways and multiple landing stairways * Two 4 rear stationary wheels and two 2 low profile front guide wheels allow the Model 42 to roll over most carpeted or hard surfaces * Four lifting handles with nonslip handgrips enable EMTs to move the patient safely and easily Wrist circumference: about 275mm BMI (easy scroll method) * Hold Release Zero KG LB Clear Enter functions * Auto Zero 5 minute auto off (AC mode disabled) low battery indicator * Wheels and handle for maximum portability * Updatable firmware * RS232 Output Port * 6 C cell batteries (not included) or 120V AC adapter (included) * Metallic Gray * Weight capacity: 600 lb 272kg * 1 Year Warranty * Specifications Capacity: 600 lb 272 kg Resolution: 0 1 kg Platform Size: 14 1 4 (w) x 14 1 4 (d) x 2 5 8 (h) 362mm (w) x 362mm (d) x 67mm (h) Height Rod: Optional 499KLROD Display: 1 LCD 350¯ Swivel Wheels: (2) Wheels for ease of movement Power Source: 110 240V adapter included 6 C cell batteries (not included) Connectivity: USB Warranty: 2 Year Limited Warranty