Wire installed around the outside of the garden for the installation of a robot lawn mower the measurement is the outside area of the garden
eg. if you garden is 10m x 10m x 10m x 10m you would be required to pay for upto 40m lay
eg. If your garden is 50m +50m + 50m + 50m you would require to pay for upto 200m lay
Objects in your garden will add to the amount of Meters installed the cable will need to be laid around obstacles like ponds and trees.