WuDLi Microchip Cat Flap, Smart Cat Door, with 2 Sensor Collars and 1 Remote Control, Opening Size: 7.7 * 8.3 in, for Cat, Puppy（black）

Smart cat door：built-in 2 RFID sensor keys and remote control. Pets can use induction collars to enter and exit freely to prevent wildlife from entering. 4 modes： (locked, external, only in, complete), you can switch via buttons or remote control. Flip design： Smart cat door anti-air adjustment, silent unlocking, 7.7" x8.3" size suitable for most cats and puppies. Battery powered： Use 4 AA batteries, and their lifespan is about 12 months. When the battery is low, the red light will flash. You need to replace the battery as soon as possible. Durable and easy to install；Smart pet doors are made of high ABS material, which is strong and durable and has a long service life. Easy to install on wooden doors, plastic walls or pet homes.