OTLGEUA 4Pcs Window Locks, Child Safety Locks for UPVC, Restrictor Pets Safety, Adjustable Refrigerator Lock No Drilling

【Double-Safety Lock Mechanism】Engineered with a dual-button release, this childproof window restrictor ensures only adults can unlock it. Prevents accidental opening by toddlers while allowing fresh air circulation—perfect for peace of mind in family homes. 【Child & Pet Safety First】OTLGEUA window restrictor is designed to prevent children and pets from falling through open windows or balconies. Ideal for safeguarding hazardous openings, it provides reliable childproof security without compromising ventilation. 【Tool-Free Easy Installation】No drilling or screws required. This window lock attaches securely without damaging surfaces—perfect for renters or homes where screw installation isn't feasible. Say goodbye to lost keys with its intuitive keyless locking design. 【Adjustable Opening Control】Tailor ventilation safely with our adjustable window opening restrictor. The chain extends from 3.5 cm to 19 cm, letting you control airflow while keeping children and pets safely inside—superior to many fixed window locks for UPVC windows. 【Durable & Widely Compatible】Made from high-strength ABS and stainless steel, this window restrictor withstands up to 20kg force. Suitable for UPVC, wooden, metal, and sliding windows—it's the go-to window restrictors for UPVC and more.