± 4-WAY SWITCH MODE — The pet door can be set to 4 modes by the flap switches on the flap: output only, input only, both input and output and fully locked, Easy control of your pet’s entry and exit. ⚡ AUTOMATIC CLOSING AND LOCKING — Pet door with magnetic flap closures, the built-in magnet keeps the door automatically closed when your cat or dog walks. EXCELLENT QUALITY — Our cat door frame is made of high quality ABS material, the mesh yarn is made of expensive materials and is strong and durable.