Essential Window Locks for Home Safety & Childproof: With CALDEVER's durable & reliable sliding window door lock, you can rest easy knowing that your baby and pets are safe and your home is secure from potential intruders. Our lock is easily installed on sliding windows & doors, providing an extra layer of protection that keeps your windows securely in place. Whether you're concerned about the safety of your property or the security of your home, our sliding window lock is the perfect solutionUpgraded Design & Reliability: CALDEVER sliding window locks have been redesigned to incorporate TWO HOLES for enhanced stability, ensuring your windows stay firmly in place. Each lock also includes a RUBBER GASKET that helps protect your window track from any potential damage caused by the lock. The VERTICAL KEY accommodates various angles of installation, so you can easily install our locks on most sliding windows. Made of aluminum alloy, the window lock is more durable and less prone to rustFit Most Sliding Windows & Vertical: The black window lock is adjustable in width, making them suitable for most sliding windows and doors. The window locks are versatile enough to be used on most types of sliding windows and doors, including living room windows, sliding glass windows, patio sliding doors, and more. They are small and lightweight, making them perfect for travel. You can take them with you to hotels or rental properties to enhance the safety of your temporary accommodationsInstall In Seconds & No Drilling Required: Our sliding window lock is designed simply. Installing it on your window track in seconds without any complex steps or special equipment needed. Our sliding window lock requires no drilling, so you can enjoy the peace of mind that comes with knowing your home is secure without any unsightly damage. The simple locking mechanism can be fixed or disengaged with just a twist of the screws, so you can easily open and close your windows without any hassle.Assured After-sales Service: We would like to suggest that you measure the length of your window track to ensure that the product is applicable before ordering our sliding window lock. This window lock is suitable for window tracks that are less than 1.5cm in width and more than 1.4cm in height. CALDEVER are committed to creating better window locks for customers. If you encounter any issues with our product, our team is here to assist you. We are committed to resolving any issues you may have. Product Description CALDEVER sliding window locks provide extra security for home sliding windows, sliding doors or vertical windows. Easy locking without additional installation tools or drilling. Add this window track lock effectively protect your children and pets from falling, avoid item loss or prevent thieves. A great solution to keep your family keep peace of mind! Easy to install Effortless Installation In just 3 easy steps, you can install our window locks without the need for additional tools or professional assistance, saving you time, effort, and money. Damage-Free Installation Installation without drilling. CALDEVER sliding window locks can be installed without damaging your beautiful windows. Vertical wrench - Fits small space operation The vertical wrench easily turns the screws when the lock is installed on the middle track, ensuring a secure fit that will keep intruders out and give you peace of mind. CALDEVER window locks can be installed anywhere on the window track, allowing you to choose the optimal position for your needs, whether you're looking for maximum security or just a little ventilation.They can be easily opened and closed as needed, making them perfect for those warm summer days when you want fresh air but still need to keep your home secure. More Stable Double Locks CALDEVER sliding window locks feature double screws for increased stability, reliability, and safety compared to single screw locks. Multi-angle installation Two different keys CALDEVER sliding window locks come with multiple keys, allowing for easy installation from various angles to fit your unique needs. House Friendly & More Durable Rubber Gasket Anti-Rust Aluminum Featuring a matching rubber pad, our locks prevent damage to your window rails. Crafted from high-quality aluminum alloy, our locks are built to withstand wear and tear, ensuring durable protection for years to come. We suggest you use two or more adjustable window locks to increase security and stability. Imagine these little sliding window locks can help you are experiencing the serene and welcoming embrace of the wind, and help parents not worry about kids falling from a high height. You never know you need it until you have it! Count 4 Pack 8 Pack 10 Pack 4 Pack 4 Pack 4 Pack Top Features 1 Home essential child proof sliding door lock and window lock Home essential child proof sliding door lock and window lock Home essential child proof sliding door lock and window lock Home essential child proof sliding door lock and window lock Home essential child proof sliding door lock and window lock Home essential child proof sliding door lock and window lock Top Features 2 Easy to set: open a little, open half, or full close Easy to set: open a little, open half, or full close Easy to set: open a little, open half, or full close Easy to set: open a little, open half, or full close Easy to set: open a little, open half, or full close Easy to set: open a little, open half, or full close Fast Delivery