Itian 4-Way Locking Indoor/Outdoor Pet Door Kit for Cats and Small Dogs with Telescopic Frame

Four-way locking pet door, gives your cat or small dog the freedom to come and go without bothering you
Locking glass doors can be set in 4 modes: swing out only, in only, both in and out, and fully locked
Telescopic frame means it will fit perfectly without leaving the inner part of the door exposed to your pet’s paws, dirt or moisture; ideal for hollow doors
Transparent flap lets you and your pet see what’s on the other side of the door
Easy to install; waterproof and tightly sealed to prevent energy loss, brush strip eliminates noise from the door closing