🔒 【Complete Set & Universal Finish】The product includes 2 practical window and door locks, complete with 4 screws. Each lock weighs about 40g, features a smooth surface and a white, wear-resistant finish designed to blend harmoniously with most UPVC/PVC windows and doors. 🛡【Robust Material & Security Assurance】This window and door lock is made of high-quality aluminum alloy with a white paint and wear-resistant powder coating, offering rust resistance and durability.Specifically designed for UPVC/PVC doors and windows, it provides reliable locking to effectively enhance home security, serving as a dependable Security Door Lock. ⚙【Excellent Design & Long-Lasting】This window lock​ features a meticulously crafted reinforced design. It fits snugly, effectively preventing loosening that can occur with long-term use, ensuring a consistent locked state and outstanding durability, making it a reliable choice for window locks for UPVC windows​ and sash window locks. 🏠【Smart Safety & Emergency Egress】This safety window security lock​ is an intelligent guardian for your home. Its limited opening design allows for ventilation while preventing children and pets from falling or squeezing through, and it also blocks external intrusions. The specially designed unlock function ensures the window can be opened quickly in an emergency, balancing door safety lock​ with emergency escape needs. 🚪【Wide Application & Easy Installation】Whether it's a PVC-U balcony window, a wooden sliding window, or a composite bathroom door, this window lock and door blocker can be easily installed. It provides thoughtful protection for various doors and windows, acting as an effective door jammers for inside doors., Manufacturer: QIANSSE