TFA Dostmann Digital Humidity Meter Thermometer Hygrometer Moxx 30.5026 (blue)
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<b>[Product Information]</b><br>
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<li>Internal temperature 0 to +50 degrees</li>
<li>Humidity 20 -99%</li>
<li>Mass 69 x 57 x 13 mm</li>
<li>Batteries required 1 x CR 2032 (included)</li>
<li>Records and Averages</li>
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<img src='http://ecx.images-amazon.com/images/I/41VqznjQELL.jpg' noproxy></br>