A practical cat flap for multi-cat households. Use the security programming mode on the DualScan microchip cat flap for indoor cats, so that they can return indoors at any time should they manage to get outside through a window. The product features individually adjustable entry and exit permissions. Thanks to DualScan technology, you decide which cat stays indoors and which is allowed outside. The flap remains closed to uninvited visitors (stray cats or wild animals such as raccoons). It works with all standard microchip formats and the SureFlap RFID collar tag, which is not included here. The registration process is simple – just press a button – and permissions can be adjusted at any time. The flap is suitable for installation in doors, glass and walls. A manual 4-way lock prevents cats from leaving or entering the house. With this device, you can register up to 32 different animals or microchip numbers. In case of installation on the glass door The glass-door adapter is not included, it must be purchased separately.