[Safety Guarantee]: The window lock can freely control the sliding window partially open or completely closed, prevent children or pets from accidents, prevent burglars and thieves from intruding, security window lock can provide you with more security protection. [Easy to Install]: Installation requires no additional tools or drilling. Place the lock in place, insert the protective gasket and tighten the screws to secure it. [Warm Reminder]: Suitable for all kinds of vertical and horizontal sliding doors and Windows, please measure whether the window track is compatible with the lock before buying [Reliable]: You can re-install the lock in different locations using vertical or hex keys, and the window lock is easy to reuse. [Economical and Practical]: Widely used in various occasions, including homes, apartments, hotels, offices.