More information about the product:
If you have a very thick wall, you can use the subway extension, which is sold separately. The door is intended for cats up to 7 kg and small dogs up to 3 kg.
2-way locking function has two settings:
Open for input / output
Total size: 236 x 198 mm
Utskärningshål: 185 x 158 mm
The cat's or dog's maximum shoulder width: 145mm
For doors that are up to 50 mm thick. Is your door thicker than that required an extension.
For cats up to 7 kg and small dogs up to 3 kg
2-way lock function
Self-closing magnetic function.