Once the GARDENA boundary cable has been laid, the GARDENA robotic lawnmower knows immediately where to mow. The small 50-metre coil is particularly useful when new plants are planted on the lawn or parts of the garden are redesigned and the cable has to be re-laid in some areas. The required length can simply be added to the existing cable. The same cable also serves as a guide cable and shows the robotic lawnmower the way back to the charging station. Please only use original GARDENA connectors if you want to connect two pieces of boundary cable together.