Convenient Lock: the pet door knob style switch is 4 way rotary, you can easily rotate it to 4 modes with the arrow and icons to control your cat’s access options: in only, out only, in and out freely, totally locked
Quality Material: the pet door is made of quality plastic material, the surface is sturdy and durable, not easy to deform and wear, supporting for a long time use; The cat door outer frame has slot, which can fix on the doors, when the brush strip accidentally falls off, you can easily fix it back to the slot, easy to operate
Applicable for: the size of weatherproof pet door is approx. 8 x 8.6 x 1.2 inches, and the pet flap door is designed with slots, it’s suitable for cat with waist circumference shorter than 15.75 inches /40 cm, it fits to being installed to interior doors, exterior doors, windows, cupboards, glass, etc.