Finally no more mowing. this purchase was worth it. the boundary wire was laid on a Saturday. Set the lawn mower was a breeze. the robotic mower moves without problems since. by the week develops the grass lawn to English. There are back and lanes again. what Foundation found Warentest I can not determine entrance lanes. Our lawn is not an easy area to mow, trees, large rocks, flower beds and not a square but twisty. I had in mind large. but he does it all. even small passages without extra cables. I am annoyed why not buy earlier only one ........