FUNCTION:
1. Made of heavy-duty steel with the anti-rust feature
2.Small enough to carry in pocket or handbag. No additional tools required, put the metal part into strike of the door and then close the door, take the red handle holding it by the top and insert the moving metal rod into the triangular hole of the body of the lock to lock the door in place
3.Hotel, apartment, short-term rental, school, dormitory, college, bedroom et