Wanlian Adjustable Sliding Door Window Safety Lock

Easy to Install

No additional tools are required, and you don't need to drill. Simply open the windows to the desired position or close them as necessary. Adjust the spacing of the window lock, place it on the window frame, and insert and turn the key to fix the lock. Turn the key until the key slot stops moving, ensuring efficient operation.

Security

Prevent burglary by locking the window when it's slightly open. Safeguard your children from accidental falls and avoid the risk of accidental window opening.

Ventilation

Fix the window in place to prevent it from being pulled or opened, ensuring continuous ventilation. The WANLIAN window lock effectively prevents your child from opening windows by themselves, providing both anti-theft and fresh indoor air.

Appearance

The professional surface treatment offers durability, simplicity, and beauty. Constructed from high-quality materials, it is easy to operate and suits most plastic steel alloy windows.

Function

The secondary lock enhances security when ventilating or securing sliding doors or windows, offering both convenience and safety.