General description Designed with child safety in mind, the CSPARKV Child Safety Window Lock features a dual-switch unlock mode that requires simultaneous button pressing and downward sliding, making it difficult for small children to operate. This upgraded anti-theft window lock limits the opening distance of windows and refrigerator doors, reducing the risk of injury from falls while still allowing for fresh air circulation. It is an ideal choice for high-rise apartments, homes with children or pets, or any situation where extra security is needed. Technical specifications Dimensions: 25×6.1×1.9 cm Material: ABS + stainless steel Issued quantity: 2 Installation Two installation methods: strong adhesives and screws Clean the surface, remove the adhesive film, and stick it to the window frame Use included screws and adhesives for double security Usage Adjustable chain length to control the opening distance for adequate ventilation Suitable for various furniture types: sliding windows,