Security Door Chain Lock Bronze A durable door security chain made from alloy for reliable, long lasting protection. The thickened and widened chain resists forced entry while the anticorrosion alloy construction stays hard and resists deformation over time. Includes mounting screws for straightforward installation. Key benefits Improved security: Chain and latch allow you to open the door slightly to verify visitors while preventing the door from being opened fully from the outside. Robust construction: Thickened, widened chain and solid alloy parts increase resistance to compulsive attacks and provide reliable protection against intruders. Long service life: Corrosionresistant alloy material maintains strength and shape for extended use. Child safety and ventilation control: Use as a window wedge to limit opening for safe ventilation and to reduce the risk of accidental or unauthorized exit. Features Material: alloy, anticorrosion and hard to deform Color options: bronze, red bronze, brushed, bright chrome Package contents: 1 security door chain and mounting screws Operation: Unlocks from the inside only; cannot be opened from the outside when engaged Installation: Simple surface mount with included screws; suitable for common door types Practical use scenarios Residential front door: Verify callers without fully opening the door, then unlock when you are comfortable. Apartment or hotel room: Add an extra layer of security while you sleep or when you are not expecting visitors. Window or cabinet safety: Limit window opening for ventilation while preventing full access, or secure cabinets and wardrobes where extra restriction is needed. Compatibility and fit Designed for standard residential and commercial doors, cabinets, wardrobes, and windows. Ensure proper alignment and use appropriate screws for your door material during installation. What is included 1 security door chain Mounting screws for convenient installation This security door chain provides a practical, durable solution to improve door and window safety in homes, apartments, and hotels without complex installation.