Regular Height Power Pet Patio Panel Turns any sliding glass door into a fully automatic pet door. Door adjustment range: 2-1/2 inches. Door depth: 4 inches. Rise: 4 inches Pet door insert easily fits into your sliding glass patio door track; cats cannot Dart outside Motor driven vertically-sliding door is activated by ms-4 Ultrasonic collar Directional sensing system opens the door only when your pet is on a direct approach, not when he is just wandering by or sleeping next to the door 4-Way access control lets you select from in only, out only, full access or closed and locked. Height range is 78-3/4 to 81-1/4-inch. 14-Inch wide. Panel size: 8-1/4 x 10-inch for cats and dogs up to 30-Pound 3 height ranges to choose from: Shorty (sags) - 75" - 77-1/2" Regular Height (sgr) - 78-3/4" - 80-1/4" X-tall (sgt) - 93-3/4" - 96" 2 sizes to choose from: medium (Px1) for pets up to 30 lbs. Or large (Px2) for pets up to 100 lbs.