Analog Scale 400 Lb Capacity Tens Units * The contoured design positions Style:Right Ear * The contoured design positions the pelvis back in the wheelchair and centers the individual comfortably in the middle of cushion warrants that the Portable Oxygen Concentrator POC (the Product) will be free of defects in workmanship and or material for the following period: Portable Oxygen Concentrator five (5) years from date of shipment * Battery 1 year from date of shipment Contents: EasyPulse POC concentrator Internal lithium ion battery Wall charger Car charger Comfortable carry bag with fully adjustable padded shoulder strap 5 x 11 1 2 * Weight capacity: 400 Lbs x 1 Lb (Needle goes around 1 1 4 times ) * 1 Year WarrantyShipping Carton Size: 22 L x 16 W x 10 H * Raised dial with large easy to read face * Baked enamel white * Platform oversize and comfortable with non slip mat * Platform Dimensions: 18