article_snippet: Sun savvy: The Netatmo June bracelet has a sensor that measures UV light .
article_snippet: But the ‘gem’ is a sensor that measures UV light
article_snippet: UV light transmits information on your sun exposure to an iPhone and,
article_snippet: if a sensor that measures UV light detects you’re reaching a harmful level, a sensor that measures UV light will send you an alert.
article_snippet: You can also tell a sensor that measures UV light what factor sun cream — if any
article_snippet: — you’re wearing, and a sensor that measures UV light will remind you to re-apply a sensor that measures UV light or recommend that you use a higher factor.
article_snippet: You set a sensor that measures UV light when you start wearing a sensor that measures UV light so a sensor that measures UV light knows