How will this perform in rain and snow? What about operating temperatures? No mention of carrying capacity limits on this article or Unitree's website. How well

How will this perform in rain and snow? What about operating temperatures? No mention of carrying capacity limits on this article or Unitree's website. How well does it handle variable terrain (ie, hiking)? I can't see myself buying a $2700 piece of tech that can only be used in ideal conditions. Seems like a novelty item at this point.