#IB800 flame-retardant, antibacterial 6 ft (1.8 m) long stretchers are placed underneath the patient and hydraulically lifted inches from the bed for weighing. With locking casters, adjustable weighing arm, and steel construction. American-made with wide base for stability. ZERO key allows staff to easily subtract the weight of bedding for accurate patient measurement. Six AA alkaline batteries (not included) or optional AC adapter. Not for transport. EMR/EHR ready. 800 lb x 0.2 lb / 350 kg x 0.1 kg capacity. UNSPSC#42182800