4 types of locks (open, off, on or off, locked) - Four-mode cat flap, locking with switches, only swivel, inside and out, fully lockable, easy to control and easy to get in and out your animals With the cat flap, you no longer have to constantly close and open the door to wait for your pets to arrive.Perfect Glass Decoration - Clear design to fit it into your window, great for windows, sliding glass doors, glass windows Ideal for all glass adaptations your pets will immediately fall in love with the elegant cat flap.Simple and Comfortable - Two parts in the cat flap: the door brush dampens the door noise, the inner rubber ring protects your cats from injury Silent movements do not frighten pets or disturb the owner. The cat is thus free to go in its litter box.Durable and resistant - All doors are made of strong ABS plastic, weather resistant and very comfortable and easy to use - Robust construction of 100 percent UV resistant polycarbonate for a virtually unbreakable door.Suitable for all pets - Size: 18cm x 20cm, suitable for all types of cats and some small dogs (6kg) to offer more freedom to your pets, do not hesitate to order this hatch. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.