If your blog socket is located more than 2 meters away from where you want to install the Pet Porte Smart Flap, or if you need to run the wire around skirting boards etc. the five meter cable extension is a great way to have a low voltage cat-friendly wire to power your microchip cat flap. You can even connect more than one five meter extension together to get the length of cable you need. Perfect for installing your cat flap in a garage or summer house for example.