General description The CSPARKV Sliding Window Stopper is designed to enhance the security of your sliding windows and doors, providing peace of mind for families with children and pets. This adjustable sliding window lock prevents unauthorized access and keeps your loved ones safe from potential falls. Technical specifications Dimensions: 6.6 × 3.5 × 2 cm Material: Aluminum alloy and plastic Adjustable card slot distance: 0.2 inch to 2 inch Installation No punching installation required Easy to use with an internal hex key for adjustment Usage Suitable for most sliding windows and doors, including patio doors and sliding glass doors Ideal for home, office, nursery, kindergarten, and primary school environments Other information Includes 1 sliding door lock and 1 key Equipped with a rubber pad to prevent scratches and improve grip Durable and designed for long-term use