This privacy indicator door lock, crafted from zinc alloy, provides a clear visual signal for restroom occupancy status with its integrated red and green light system. Designed specifically for doors ranging from 12 to 18 millimeters in thickness, it functions as a reliable restroom occupancy sign to communicate availability without disruption. The straightforward design ensures easy installation on standard doors, making it suitable for high-traffic environments where privacy management is essential. Its dual-color lighting—red indicating occupied and green signaling vacant—offers immediate status awareness for users.

Ideal for public restrooms in facilities like airports and hospitals, this occupancy indicator supports efficient space utilization across various settings. The zinc alloy construction delivers consistent performance for daily use, while the compact form factor blends seamlessly into professional interiors. Installation requires no specialized tools or expertise, allowing for quick setup on compatible doors. This solution addresses common restroom coordination needs by providing a simple, visual cue that enhances user experience in shared spaces.

As a practical restroom occupancy sign, it meets the demand for clear communication in public areas without complex mechanisms. The product's on functionality ensures it serves its purpose reliably in airports, hospitals, and similar venues where visitor must be managed smoothly. By incorporating key terms like restroom occupancy sign, privacy indicator door lock, and easy install door lock, it aligns with frequent shopper searches while maintaining factual accuracy about its 12-18mm door compatibility and zinc alloy build.