Door Window Alarm (5 Pk) Foot Care Manual Pump * This device E1 3 Manual Pump * This device is perfect for cash customers or those with a prescription whose insurance does not cover this item * The manual system comes as shown above in an attractive retail package * 5 year warranty on plastic parts and pump Test method Oscillometric method 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 *