SMART DESIGN: This refrigerator lock features a convenient three-digit password system—no key is required. Forget about the hassle of lost keys; simply reset the password as needed. The installation process is straightforward: just peel off the adhesive backing and attach it to the surface without the need for drilling or screws. The strong 3M adhesive ensures a secure fit without damaging surfaces. HIGH-QUALITY MATERIAL: Crafted from durable zinc alloy and a 304 stainless steel lock core, this child safety lock is designed to offer enhanced security for your family. The twisted steel wire rope provides exceptional tensile strength, preventing breakage. Its self-adhesive design lasts for an extended period and can be easily removed without leaving any residue behind. WIDELY APPLICABLE: This versatile child safety lock is ideal for use on refrigerators, cabinets, doors, windows, drawers, and ovens. It is compatible with various types of windows and is perfect for homes, offices, kitchens, public spaces, hospitals, hotels, schools, and commercial settings, adding convenience to your daily life. EASY INSTALLATION: For optimal adhesion, clean the surface prior to installation. Simply place the sticking pad and allow it to set for 18 hours before using the password feature. For added security, you have the option to install with eight screws. Avoid placing the adhesive on hot areas of the refrigerator to ensure best results.