Pet door for glass doors

Pet’s door with a 4-way locking system for glass doors.
For installation on interior or exterior glass doors less than 1.27cm and 0.5″ thick.

The following modes are available that can be adjusted by sliding the lock on the side of the door.
One way from outside to inside. The pet can only enter from the outside and cannot get out again.
One way from inside to outside. The pet can get out but cannot get back in again (for preventing other pets from entering).
Locked from both sides. The pet cannot get in or get out.
Completely open. The pet can get in and get out at will.

Suitable for cats and small dogs
 
 
Specifications
Material PC, ABS
Weight about 465gr and 1lb
 
Size
External 
Diameter 30cm and 11.8″
Width 4cm and 1.5″
 
Internal
Length 18.5cm and 7.2″
Height 20.5cm and 8″
 
 
Notes
The real product colors may be slightly different from what you see in the images.
The product dimensions may be slightly different from what is written in the product specifications.