To ensure the safety of your children and enhance the security of your home, place the the window track and tighten it to secure the window in place. This lock is designed to be compatible with most aluminum sliding windows, making it a versatile and reliable choice for various window types. The installation process is straightforward: simply position the the desired spot along the track and use the tightening mechanism to firmly secure it. This will prevent the window from being opened beyond a certain point, providing an added layer of protection. Features -Color:Brown -Material:Aluminum Alloy -Size:6.00X3.90X2.50cm/2.36X1.53X0.98in - setup: the child security door lock can be installed without any tools, offering a convenient and quick setup process -Multifunctional: suitable for various applications, including windows, doors, and drawers, ensuring home security -Adjustable mechanism: the lock's length can be adjusted to fit different window sizes, making it versatile for various dimensions -Childproof design: the sliding design prevents children from opening windows accidentally, ensuring their safety -Durable material: made from sturdy aluminum alloy, the lock is sturdy and , providing reliable security Package list: 1 x Sliding Window Lock