Give your cat the freedom she needs， while keeping other animals out of your home with Cat Mate Elite Super Selective I.D. Disc Cat Flap. This cat flap is operated by your cat’s unique Cat Mate I.D. Disc (two included) and is suitable for up to nine cats! That means it’s purr-fect for multi-cat households. The easy-to-use， four-way locking system allows you to choose between unlocked， locked， in-only and out-only， giving you full control. This flap also has an LCD display that shows the lock status， your cat’s location and the time that the flap was last used. This feature is good for up to three cats of your choosing. The flap is powered by four AA batteries (not included) for up to a year. It also features a draft and weatherproof brush sealed flap with a magnetic closure to protect your home from wind and rain. Best of all it has a timer function that controls all of your cats’ access to the flap—this feature is especially handy when you want to keep your cats in at night.