Extech WB200 Wet Bulb Hygro-Thermometer Datalogger<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Measures Wet Bulb， Dew Point， Temperature (41°F to 122°F/5°C to 50°C) and Relative Humidity (0.0 to 99.9%RH) </span></li><li><span class="a-list-item"> Audible and visual alarm alerts when temperature and humidity level is higher or lower than the user programmed High/Low set points </span></li><li><span class="a-list-item"> Data logger stores100 records that can easily be recalled on meter display </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41hAOSpdZGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/515sRFDYdhL.jpg" noproxy>