It's possible that rain on the desert floor could turn to thin sheets of ice when temperatures drop at night.
当夜间气温下降时，沙漠地面上的雨水有可能变成薄冰。
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After lying for hours on cold ground, with only a thin sleeping bag to protect you from rain or ice, your fingers would probably be so numb that you could hardly move them.
It's available in both indoor and NEMA 3r-rated outdoor enclosures, able to resist elements such as rain, sleet and ice. And it can be mounted on either a wall or pedestal.