Here are some scenarios where mower can't work, and when encountering these scenarios, it is necessary to set up magnetic stripes to prevent machines from entering. How to install magnetic strips
1. Total lawn size is bigger than 600 sqm(for V3) or 1000sqm for V3 plus.
2. The narrow passage is less than 0.8m.
3. The slope angle is deeper than 22° inside working area or deeper than 10° at the boundary.
4. Hard grassroots or Thick grass
5. Grass higher than 10cm (can mow first by push mower)
6. Bald grass bigger than 40x40cm
7. Pits deeper than 5cm
9. Protrusions or steps higher than 3cm
10. Clear boundaries (Magnetic Strip need to use if boundary isn't clear)