Sửa khóa Kaadas K9

Kaadas K9是一款来自德国的高级指纹锁，具有自动上锁功能和三重防切割机制。需要正确安装和使用以确保长期安全性能。

• The description claims that the lock may malfunction if installed incorrectly or exposed to adverse conditions.
• The description claims that common issues include automatic locking failure, power supply problems, quick battery drain, fingerprint sensor malfunctions, and difficulty opening the door even with the correct code.