Roho Agility Mid Contour Back System w Air & Lumbar Pad Digital Scales Unit * Provides ultrasound dual Color:Yellow Unit * Provides ultrasound dual channel high volt pulsed DC stimulation and low volt galvanic * Used for iontophoresis * Up to 20 watts of variable or non interrupted ultrasound * High Voltage features reciprocal and ramped surge modes with adjustable surge duration (1 160pps) * Balance Control Feature * Lo Volt Galvanic has constant currentoutput variable surge and continuous mode and reverse polarity * Up to four electrodes * Memory storage: 500 test results 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 Air Insert: 18 Month Limited Warranty