ObusForme CustomAIR Backrest w Adj Lumbar Support Lift Chairs Accessories One hand center grip can be Select Ear:Left Ear One hand center grip can be used with either right or left hand Uniquely designed electronic for 700 lbs * Oversized push handle for caregiver comfort * Oversized loop style cradle * One piece base * Low friction casters * Battery 24vDC rechargeable sealed lead acid type * Battery capacity 3 Retail boxed * Our award winning backrest support transforms ordinary chairs into ergonomically correct seating * The S shape of the ObusForme Backrest Support molds your spine into a more anatomically correct position and helps to enhance overall posture by supporting proper spinal alignment * Features & Benefits: Engineered shape conforms to natural spinal curvature Integrated adjustable lumbar support adjusts vertically to provide a full range of support from the thoracic to the lumbar regions of the spine Hand held pump and valve enable customizable inflation deflation of the lumbar support to suit personal requirements Accommodates regular changes of posture which helps alleviate stress on the lumbar region Pump deflation valve and hose store neatly in pocket when not in use Lightweight and portable turns any chair into an ergonomic seating system Use at home work or in a vehicle Colour: Black