1、STRONG WINDOW LOCK: The sliding window lock has two fixed holes that mount onto the window track, significantly increasing the locking force and enhancing security. 2、PROTECTIVE PADS: The window lock comes with protective pads to prevent scratches or damage to your window while preserving stability. 3、KEEP YOUR FAMILY SAFE: Control the opening or closing of your window to reduce the possibility of falls for children and pets and preserve against thieves. 4、EASY TO INSTALL: The door window lock is easy to install, with no additional tools or drilling required. Simply follow three easy steps and use the key to secure the lock in any place. 5、VERSATILE USE: The window stopper is suitable for use in home, bedroom, offices, and more, protecting your family safety while providing better ventilation.