Cat Mate Electromagnetic Cat Flap, White;

Stray pets can often be a big problem, but this highly proven design provides a reliable solution. Your cat wears a small magnet that doubles as an identification tag. A sensitive, fast-reacting circuit in the cat flap guarantees instant entry for selected cats of all size and temperament. An easy to use 4 Way locking system enables complete control over your cats movements. Any animal can exit the door, but the animal requires the magnet to re-enter. Self lining to 2 3/8 (60mm) - ideal for all doors. One 9 volt battery not included".

Helpful tips:
1) The collar magnet should be attached directly to the cat€s collar with the paw print symbol facing forwards (see fig 4 of the User Manual). Not doing so will affect this product€s Performance.
2) Ensure that the four way lock is fully seated in the correct position, i.e. in order for pets to go in and out it should be in the unlocked position.