Easy Release 2 Button Folding Walker Adult Defibrillation Powered by 2 x AAA Style:Pair (Left & Right) Powered by 2 x AAA Batteries(not included) 180 degree * Tension between the stainless steel arms is controlled by a thumb valve * Each unit has two opposing scales marked in specified increments * The patient is able to bring the walker closer to assist in standing * Sturdy 1 diameter anodized extruded aluminum construction ensures maximum strength while remaining lightweight * Vinyl contoured hand grip for added comfort * Limited Lifetime Warranty * HCPCS Suggested Code: E0143 (for 1075C) * Height adjustable from 32 39 Without wheels *Easy push button mechanisms may be operated by fingers palms or side of hand * Each side operates independently to allow easy movement through narrow spaces and greater stability while standing * Unique U shape framedesign creates greater clearance