I'm selling this because my child has grown up. The box, instructions, and all accessories are included! Retail price: 16,500 yen (tax included) - Auto-close feature: the door automatically closes when opened less than 90 degrees. - 90-degree stopper: the door stays open when opened more than 90 degrees. - Can be used at the top of stairs (single-door design). - Step cover to prevent tripping. - Triple stopper with a lock cover. - Can also be used for pets. ● Target age: 0-24 months ● Product size: W70 x D2.5 x H75cm *D11.5cm when the step cover is attached ● Installable width: W76-86cm (W78-88cm when installed at the top of stairs) * Extensions are sold separately. * When installing at the top of stairs or at the bottom of a step, be sure to attach the auxiliary sockets. * For auxiliary sockets, if the wall is gypsum board, use double-sided tape and a gypsum board nail set to secure it firmly. If the wall is a wooden panel or a wooden pillar, secure it firmly with fixing screws. Installable width: When using 1 extension: W86-96cm (same when installed at the top of stairs) When using 2 extensions: W96-106cm (same when installed at the top of stairs) #BabyGate