Prevents unplugging outlets. Covers 1 to 3 outlet plates to prevent unplugging, electric shock, short circuit, etc. Uses adhesive tape. Can be covered while the plug is in use Prevents the loss of computer recording data due to pulling out the outlet plug. The structure is not easy to open by children. Product Size: 2.8 x 2.6 x 4.7 inches (7 x 6.5 x 12 cm); Material: Cover, Base, Decorative Plate: ABS resin; Screw: Steel; Installation Method: *Installation method may differ from an outlet where the screws are visible and not visible. ★If you are an outlet with no visible screws, please remove the breaker first before working to ensure sufficient safety. Please do not install this type with adhesive tape. (1) Remove the veneer from the outlet plate. Insert the flathead screwdriver into the recess part of the veneer and screw it off. (2) Unscrew the outlet plate. (3) Install the outlet cover with the included screws. Do not use for screws and screws spacing greater than 101mm. ★If you have an outlet where the screws are seen, (1) Please install this type with adhesive tape. Do not use the screws provided. Please do not use on uneven surfaces with outlet plates. When the adhesive tape is removed, the glue may remain, so please use a commercially available "sealing remover solution" or wipe with a mild detergent with a cloth. ★How to install the adhesive tape: Clean oil and dirt from the installation area thoroughly before installing it. Please leave it for about 1 day after installation. Please avoid using in places where it is installed on uneven surfaces or rough areas. In winter, please heat the adhesive surface with a blow dryer before installation. Caution: Children will work unexpectedly, so please use this product out of direct supervision. This product is designed to prevent accidental accidents and injuries from children, but it is not an alternative to parents attention and care. ·Please avoid using this product for anything other than its intended Cannot be installed on uneven outlets on plates. Please note that the installation may not be usable depending on the shape and size of the outlet plate or plug. If you attempt to open the product without unlock it, it may cause the product to fall off or be damaged.