Enhanced Door Security: This door security bar provides dual protection, allowing controlled door opening for identification while preventing forced entry. The front door security solution maintains privacy and safety for homes and apartments. Child Safe Design: Installed out of children's reach, the door safety lock prevents unsupervised access. The security door lock offers peace of mind for families with young children. Durable Construction: Made from premium zinc alloy and steel, this door security chain resists rust and wear. The chain lock for door features a thick beam design that withstands strong impacts. Quick Installation: The door lock with swing bar door chain includes all mounting hardware for easy setup. Install in minutes on wooden doors. Versatile Protection: Ideal for homes, hotels and dorms, this door restrictor works as both a security chain and swing bar lock. The door chains for front door provide reliable safety in various settings., Manufacturer: Koprek