Roho Agility Mid Contour Back System w Air & Lumbar Pad Digital Scales the hearing aid is waterproof❗ Wall Transformers the hearing aid is waterproof❗ : No * Product Warranty: ONE YEAR WARRANTY ISO 16840 4 Wheelchair Seating Part 4: Seating Systems for use in motor vehicles * Weight Limit: 300 lbs (136 kg) * Warranty: Back Shell & Hardware: 3 Year Limited Warranty Innovations that give you peace of mind * ROHO AIR FLOATATION Insert allows individuals to adjust air volume to their desired comfort level * Supports postural changes * Full Adjustability * AGILITY Back Shell can be flipped to accommodate wider torsos and broader shoulders * Wide range of tilt angle (15 degrees forward or backward) depth width and vertical adjustment capabilities to address specific positioning needs * Full range of contours for varying postural support and positioning needs * AGILITY stays in place with the hardware's unique interlocking teeth that helps prevent slippage of the back system under load * Durable lightweight hardware constructed of cutting edge Zytel© nylon composite material * Suitable for wheelchair use in a motor vehicle * Tested and surpassed industry motor vehicle crash test standards: ANSI RESNA WC 20 Seating Devices for use in motor vehicles