【Please check the profile before purchasing ✨️】 This is an easy-to-install interior door lock that has no keyhole and can be locked by rotating. Suitable for places where you want to add a lock later, such as back doors, interior doors, doors, bathrooms, and screen doors. 【Compatible with hinged doors】Not for sliding doors or folding doors. Prevents pet entry. For double locking of gates and entrances outdoors. 【Easy rotary type】You can easily lock and unlock the key by simply rotating the knob. 【Outdoor and wet areas】Made of durable zinc alloy, it can be installed outdoors or in wet areas such as bathrooms. 【Easy installation】Installation is possible with screws only. No construction required. *If there is a difference in height between the wall and the door surface, insert a board or similar material on the lower side to make them the same height. (Screw length: approx. 2cm) *Please note that the shape of the knob and the color of the back side of the key may differ from the front side depending on the production lot. ✨️Instant purchase is welcome, and midnight silent purchase is OK ◎ ✨️Please use the price reduction request for price reduction requests! ✨️A one-word message or stamp is required for those who have purchased! ✨️We do not have dedicated pages to prevent trouble. ✨️If there is a problem, we can respond if you contact us before the evaluation! ・Please understand that the product is stored at home and will be shipped in simple packaging (*.ˬ.) ・Please check the actual photos for the condition of the product ♪ *Due to shipping costs, we may take the product out of the box and ship it to make it as affordable as possible.