Child Window Restrictor: The window restrictor is specially designed for children and pets, effectively preventing accidents caused by windows or refrigerators opening too wide, etc. Provides Safety: The dual-button unlock mode requires pressing buttons simultaneously to open the window. Features a 250mm chain length, adjustable for desired air circulation. Easy to Install: Simply peel off the adhesive and attach it to a clean surface. No drilling or additional tools are needed, and furniture surfaces will not be damaged. High-Quality Material: The chain is made of high-quality ABS, resistant to both high and low temperatures. The inner part of the chain is made of solid stainless steel wire, capable of withstanding 20kg of gravitational force, ensuring high safety. Multifunctional Use: Window safety locks suitable for various types of windows, as well as refrigerators, ovens, drawers, cabinet locks, etc., to prevent hazards for children and pets.