2Pack Security Door Lock Steel Window Guard Lock Front Door Without Chain Lock Latch For Window Door, Prevents Break-in

General description The 2Pack Security Door Lock Steel Window Guard Lock is designed to enhance security for your doors and windows. This heavy-duty lock prevents forced entry while allowing the door to open slightly, providing a gap of about 30-50mm for identification of callers before fully opening. Technical specifications Material: Heavy-duty steel Opening gap: 30-50mm Installation No drilling or chiseling required for installation Usage Provides reliable protection for hotels, doors, storage rooms, windows, etc. Cannot be unlocked from the outside after installation