1Pack Security Door Lock Steel Window Guard Lock Entry Door Without Chain Lock Latch For Window Door, Prevents Break-in

General descriptionThe Security Door Lock is a heavy-duty steel window guard lock designed to enhance security for entry doors and windows. It prevents forced entry while allowing the door to open slightly, providing a gap of about 30-50mm for identification of callers before fully releasing the door.Technical specificationsMaterial: Heavy-duty steelOpening gap: Approximately 30-50mmInstallationNo drilling or chiseling required for installationUsageProvides reliable protection for hotels, doors, storage rooms, windows, etc.Cannot be unlocked from the outside after installation