Customise your pets access in and out of your home, up to 20 pets can use this microchip access system. Selective entry and exit via implanted pet microchip or passport key. Easy programming via the navigation panel on cat flap or connection to PC. Access modes include, in/out, in only, out only, and a timer mode. The reinforced lock provides increased strength and push through resistance. Plastic. Suitable for small sized cats and dogs up to 11kgs/25lbs. 4-way lock: in/out/opened/locked. Manual locking system. Suitable for: glass, wood and most types of PVC doors. Can be fitted into windows. H38, W30, D10.5cm. Manufacturers 3 year guarantee.