Solar thermometer: help you challenge the limit

Modern people like to challenge the limit, such as through the desert, but, you know the desert crossing the matters needing attention as well as the related preparation? Desert big temperature gap between day and night, summer heat, winter cold, and rainfall is very few, much and big wind. When we make a plan, have to take into account the influence of temperature on the human body. Because the average man will feel dizzy when 40 ℃, and 41 ℃ for the frail elderly means & other Shock & throughout; High temperature in the desert is, how much more? So, real-time understanding of temperature, judgement and reaction is particularly important in time, and the elongated solar thermometer can accurate readings, cabinet and easy to carry. With it, is to worry, but to give up on your journey of adventure!