Ideal Pet Products Aluminum Sash Pet Door 27" Waste Management Half the floor is heated

Half the floor is heated by a K&H Small Animal Heated Pad so the cat can choose to be on or off the warmth

2-hour rapid charge Lithium Polymer batteries

and off your furniture to protect your pet and your home

Charge your pet's receiver collar when the battery's low and away he goes to enjoy his new yard freedom

Multiple feeders also can be controlled from one smartphone

Ideal Pet Products Aluminum Sash Pet Door 27" Waste Management Half the floor is heatedHigh quality white finish aluminum construction. Installs easily into most styles of aluminum sash windows. Features: Size: Small Dimensions: 1. 75" x 27" x 12. 56" For pets 2 12 lbs. Flap size 5" x 7" Adjustable width from 27" 32" Size: Medium Dimensions: 1. 63" x 27" x 16. 63" For pets 13 35 lbs. Flap size 7" x 11. 25" Adjustable width from 27" 32" Size: Extra Large Dimensions: 1. 75" x 27" x 20. 63" For pets 36 90 lbs. Flap size 10. 5" x 15"