Ideal Pet Products Aluminum Sash Cat Flap Pet Door 23 Inch Size:Medium Detects pets up to 3

Detects pets up to 3 feet away

allowing your cat access without letting in stray animals'learns up to 40 identities

Small ' 8-10 lbs (dry food capacity) Dimensions: 14" x 6" x 14"

the heat will dissipate into the air and the surface temperature will vary according to the ambient air temperature

Environmentally friendly

Ideal Pet Products Aluminum Sash Cat Flap Pet Door 23 Inch Size:Medium Detects pets up to 3High quality white finish aluminum construction. Installs easily into most styles of aluminum sash windows. Features: Size: Small For pets 2 12 lbs. Flap size 6. 25" x 6. 25" Adjustable width from 23" 28" Item Details: Dimensions: 1. 25" x 23" x 12. 38" Size: Medium For pets 2 25 lbs. Flap size 7. 5" x 10. 5" Adjustable width from 23" 28" Item Details: Dimensions: 1. 25" x 23" x 10. 75" Color: White