Security: High-quality automatic door locks provide additional security for doors and windows. Adding a lock once increases security. High-quality materials: Made of aluminum alloy, strong and durable, not easy to rust. The special design is different from ordinary locks and improves security. Unique design: exquisite and concise appearance, sealed welds, thick base, stable lock body, built-in automatic spring mechanism, not easy to break and break. deformable, strong and durable. High quality: The door lock adopts the latest electroplating and polishing technology and is made of aluminum alloy with bright surface treatment, so it has the function of resisting moisture and corrosion. The door lock has high structural rigidity, long service life and no deformation. Multifunctional, convenient and practical: easy to install and maintain, convenient and practical, widely used in doors, cabinets, bathrooms, toilets, windows, furniture and pet door locks. Number of pieces supplied: 2