Quadtro Select 18 x18 x4.25 Wheelchair Cushion Training Stairs Ramps * Colored LEDs indicate power 17170 * Colored LEDs indicate power to the unit and that handles are charging * Advanced circuitry for constant automatic safe charging and optimum lamp performance and life * Compact for convenience and mobility * Optional wall mount kit for permanently mounting to wall or cabinet * Optional specula tray conveniently stores swabs otoscope specula and curettes * Accepts 3 Poise bar lock in for error free operation * Sanitary ABS plastic tray with built in measuring tape provides safety reads up to 23 x 1 4 (58 cm x 1 cm) * Weight capacity: 130 Lbs x 1 Oz * 1 Year Limited Warranty * Shipping Carton Size: 13 L x 11 W x 4 H * HIGH PROFILE 4 HIGH * 18 x 18 * Customized fit through the simple push of a knob * The revolutionary ISOFLO© Memory ControlTM offers shape fitting capabilities while the user is seated allowing quick and easy on demand adjustment to maximize function * The QUADTRO SELECT Cushion allows for quick simple position selection for every user while seated * Stability is enhanced by locking the air into place in each of the four quadrants * Easy to handle and carry at just 3 Please call customer service for details