This key-operated door stopper can be used on a wide range of places such as refrigerators, windows, doors, and shelves! It's perfect for preventing mischief by children and babies, pet countermeasures, and monitoring family members with dementia. Easy to install with double-sided tape, it adheres strongly for secure fixing. Simply unlock by turning the key and removing the wire. No tools are required, so you can use it right away. Made with a reinforced metal latch and ABS material, it's sturdy and long-lasting. As it can be retrofitted and locked, it also prevents refrigerators and drawers from being left open. It also works with sliding doors and inward/outward opening windows, and is convenient when you want to open them slightly for ventilation. Prevents opening and intrusion from doors and windows, avoiding unexpected accidents and injuries. A family-friendly, multi-functional child lock that protects the safety of your home. Product Name: Door Window Safety Lock, Material: ABS resin, metal, Colors: Black, White, Usable on: Doors, windows, refrigerators, cabinets, drawers, cupboards, chests of drawers, trays, printer drawers, etc., Contents: Main unit x 1, key x 1 *Alcohol disinfection pads are sold separately. *Please note that when removing this product, scratches or marks may remain depending on the material and adhesion period, and we are not responsible for any such damage. *Dimensions and appearance may differ slightly depending on the production lot and the condition of the monitor.