911 Guardian Phone Diagnostic Testing Includes:Back Shell Back Shell Hardware Oxygen Masks Includes:Back Shell Back Shell Hardware Back Cane Hardware Cover Foam Pad Air Insert Lateral Air Inserts Foam Insert Dual Wrench Lumbar Support Pad (select models) Repair Kit Hand Pump Product Registration Card Quick Set Up Guide and Operation Manual * Construction: Back Shell: Aluminum Back Shell Hardware: Zytel© with an aluminum Sliding Height Adjustment Bar Back Cane Hardware: Bracket and pins are aluminum * Pivoting Cane Band and Adjustment Cylinder are steel * Cover: Front side is 100% polyester 5 bands in a single color * Each wrapped band has a latex warning safety and care information UPC code and refers users to www * Easy to use system check that tests both system and battery functions * Pendant is water resistant can be used in the shower but not in the tub