Door Window Alarm (5 Pk) Stools Chairs Examination 18 x 18 * Designed 17170 18 x 18 * Designed to provide a comfortable functional and stable sitting environment * 3 poly vinyl interconnected air cells are easy to setup inflate and adjust * Easy to handle and transport: weighs only 1 lb * Includes pump and patch repair kit * Includes a reusable washable cover * 12 month limited manufacturers warranty * * White powdercoat finish * Adjustable angle: 5 positions * Easy reach rear ball shelf * Level position for jogging and balance * Includes 5 weighted medicine balls (MBS5) * Use for controlled power training angled or flat 5 pack * Sounds an alert when a door or window is open * Prevents resident elopements * Installs in seconds with adhesive backing * Three position switch: off chime alarm * Resets itself when door or window is closed * Perfect for supply closets medicine cabinets windows and doors * Uses three 1 5 volt batteries *