The cat flap is activated by a magnectic key which attaches easily to your pets collar. Which helps keepout unwanted strays. It comes with 4 locking options: in only, out only, opened and locked.
Measurements:
Overall size: 252 mm x 241 mm (9 3/4" x 9 1/4")
Cut out size: 175 mm x 168 mm (6 3/4" x 6 1/2")
Glass cut out: 212 mm (8 3/8") diameter circle
Maximum pet shoulder width: 150 mm (5 7/8")
Maximum pet weight: 7 kg
