Black hygrometer with Precision value of the instant humidity ,for his small size, you could put in a incubator or room,garden.warehouse and laboratory to monitor the humidity level.it is easy and simple item

http://www.asuntest.com/product_show.asp?id=1056
new arrived 2012.NOV.26

Item: 638
Specifications:
Humidity Range:10%RH~95%RH
accuracy:60%±5%RH
extral humidity sensor

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