Geriatric Recliner Mattress & Pump System Stair Climbers Steppers Quantifies specific dB and frequency 85180 Quantifies specific dB and frequency hearing loss with precision testing * Offers a full range of frequencies and intensity levels * Frequency modulated stimulus mode for reliable results with children and elderly patients * Package includes: Includes Pump * Can be integrated into a geriatric chair recliner or standard wheelchair * 20 bladders gently alternate providing low interface pressures in addition to comfortably supporting the patient * Snap on non skid stretch knit cover is anti microbial and meets California Tech Bulletin #117 for fire retardancy * Dimensions: 25 x 45 x 3 1 4 * Weight: 10 Lbs * 1 year limited (pumps and mattress) and 6 months limited warranties * Portable alternating AC DC pump allows the patient to be totally mobile * Rechargeable battery backup keeps system working for more than 7 hours per charge * Car adapter included