Usage Tips:IDEAL DESIGN FOR YOUR PETThis creative door opener can help control the entry and exit of pets, allowing your cats and dogs to enter and exit freely of the room. Improve intimacy and dialogue between you and your pets. CLOSURE & SEMI-AUTOMATIC OPENINGWhen pets enter or leave the bathroom or bedroom, the door can be closed and opened automatically by the clever design, so you don't have to get up to open or close anymore the door Suitable for installation in your bathroom, bedroom and places with doors. (* Not suitable for sliding doors) S?R & RELIABLEThe pet door stopper can prevent the door from closing and trap them in the room when you are not at home. It also serves as a guard to prevent tail or finger pinches. Familiarize and train your pet with the door before installing. PERFECT QUALITYMade of strong ABS material, wear-resistant and can be used for a long time . The rugged case and internal components ensure flawless performance whether scratched, bumped or dropped. It is not easily damaged on doors and walls. EASY to INSTALL No additional tools are required. Strong adhesive tape forms a strong bond with most types of interior doors, no punching or caving required during installation. Just make sure you have the correct position based on your pet's height.