Petsafe HPA11-11598 Freedom Aluminum Pet Door, Small Seam Binder Spring inside the unit pushes

Spring inside the unit pushes it upwards

Rough brass

Aids in control : American dog ticks

Displays low battery indicator

Style: Designer

Petsafe HPA11-11598 Freedom Aluminum Pet Door, Small Seam Binder Spring inside the unit pushesThe flexible, soft flap is tinted and adjustable. A magnetic flap closure and pile weatherstripping along the sides of the flap opening form a weather resistant seal. A closing panel is included for improved weather resistance or to control your pet's access to the pet door Highlights: Door Size: Small Pet Size: Up to 15 pounds Flap Opening: 5 1 4" x 8 1 8" Frame Dimensions: 7 3 4" x 11 5 8" Cut Out: 5 7 8" x 9 3 4" Flexible, tinted, adjustable soft