Chain Door Lock, Anti-Theft Chain Door Lock, Chain Door Lock with Sliding Lock, Cylinder Lock, Chain Locks for Indoor Use

2-in-1 Door Locks with Anti-Theft Chain: One lock = a sliding bolt + a chain lock. The chain door lock is equipped with a spring-loaded button latch that can improve anti-theft performance and ensures safe viewing and ventilation when the door is partially open, providing added security for your home and office doors. It also offers extra security and privacy for your bedrooms, bathrooms, and toilets, acting as double protection against unwanted entry. The chain lock with a cylinder bolt can also be installed on windows, cabinets, backyards, kennels, fences, porches, closet doors, sheds, laundry rooms, and chicken coops. It can also improve child safety at home, preventing your children from opening drawers or cabinet doors. Robust and durable, it uses only the highest quality components. The heavy-duty chain door guard with lock is made of high-quality stainless steel for rust resistance and uses the latest electroplating and polishing technology to increase its lifespan. The surface slide lock has a brushed nickel finish that improves corrosion resistance, wear resistance, and hardness. Quick installation: 6 screws needed for installation are included free of charge. Simply use a screwdriver or drill to complete the DIY installation in 5 minutes. The chain door guard with lock supports 360-degree installation. Different installation directions are suitable for different locations.