Door Chain Lock Locks Bolt Latch Guard Double Safety Security for Inside Front Doors, 1 Pack

• 【Premium Material】This door chain lock features high-quality stainless steel construction with solid core latch bolts and thickened chain design, delivering durable chain lock for door security. Ideal reinforcement for door security lock systems.
• 【Double Safety System】Innovative double lock door mechanism combines traditional door latch with modern door bolt technology, creating dual barriers perfect for apartments/rental properties. Enhances safety locks for doors on entries/bedrooms.
• 【Universal Installation】Fits all inward-opening doors as auxiliary door chain protection. Quickly upgrades door security lock setups for main entries, bedrooms or apartments without complex tools.
• 【Smart Access Design】Door security lock can effectively authenticate visitors or keep indoor air circulating. Precision engineered barrel bolt latch ensures smooth operation with anti-loosening screws for lasting door bolt reliability.
• 【Package】1×safety locks for doors with mounting screws.

Enhance your home security with this durable door chain lock, crafted from premium stainless steel for long-lasting protection. The dual-security design combines a reinforced door latch and a heavy-duty chain, offering an extra layer of defense against forced entry. Its solid barrel bolt latch and thickened chain resist tampering, ensuring peace of mind for apartments, bedrooms, rental homes, or front doors. Quick installation with included screws lets you secure your space effortlessly. Keep doors slightly ajar for ventilation or safe external observation without compromising safety. Product Name: Door chain lock Product Features: Heavy-duty stainless steel construction. Dual security: chain lock + door latch for double lock door protection. Solid barrel bolt latch and unbreakable chain for door security lock reliability. Fits front doors, apartment doors, bedrooms, rentals. Easy screw-in installation with universal compatibility. Allows partial opening for airflow or safety checks.