Digital Chair Scale model#594KL. * Value-Added Features Operating functions (LB/KG Conversion LB/KG Lock Out BMI Zero Tare/Pre-Tare Hold/Release Reweigh Recall Auto Zero Auto Off) included at no additional cost. * Easy to Use Clearly marked buttons make it easy to operate. * Moveable Arm and Footrest The flip-arm and footrest allows for easier patient access and patient comfort. * Sturdy Construction The sturdy construction of this scale provides a stable base that does not shake. * Specifications: Capacity: 600 lb / 270 kg Resolution: 0.2 lb / 0.1 kg Display: 1 / 25.4 mm LCD Wheels: (2) Wheels for ease of movement Power Source: 100-240V adapter (ADPT30) included 6 AA batteries (not included) Seat Size: 18 � (w) x 15 (d) x 17 � (h)/464mm (w) x 381mm (d) x 445mm (h)..