Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
Just one button to activate and five leds to show how dangerous are the UV radiation.
First the leds show the level of UV radiation and after certain level, an alarm sound (over level 3).
I dont see one.
Have a good construction, good plastic used, good package, and include Chinesse - Englihs Manual.
is based in the metrics of the National Weather Service (NWS) and the Environmental Protection Agency (EPA), of five levels of Ultra Violet Radiation.
1- One, The lower one and 5 - Five, The higher
in this equipment every number its equivalent of 2 (two) 0 to 10 are the levels.
If you want to check the UV rad. in the beach or the protection given for some kind of materials and cremes, you can use for that too.
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