Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
이 자동점멸장치는 불이 꺼질 때 자동으로 작동합니다.i jadongjeomnyeoljangchineun bul-i kkeojil ttae jadong-euro jakdonghamnida.This automatic light switch operates automatically when the light goes out.