Home Safety: The outward window lock helps limit the opening width and helps keep your children safe and prevents them from getting their fingers caught or falling. Perfect for multi-story houses and apartments: Window safety is one of the most important parts of child safety, especially if you live in a high-rise building Easy to install: Our window latches are a great addition to your home security list and are easy to install with the included installation template and screws. Fits most exterior windows: the exterior latch can be easily mounted on most outward opening windows, including wooden frames Adjustable Opening Width: Our inward opening window locks can be adjusted from 0 to 100 mm, there are several stops between 0 to 100 mm so you can adjust according to the desired width. Product color: white Delivery quantity: One piece p>