Description :<br>HYELEC MS6508 Digital Temperature Humidity Meter Hygrometer Thermometer Weather Station Barometer<br> This is a battery meter for measuring relative humidity and temperature. Can display three types of temperatures around the sensors air via several convenient procedures : The ambient temperature， the dew-point temperature and the wet bulb temperature.   <br> <br>     <br>  <br> Specifications :  <br> Ambient Temperature<br> Range : -20 to 60 C (-4 to 140 F)<br> Precision : &amp;plusmn;0.5 C (0 to 45 C)<br> &amp;plusmn;1.0 C(-20 to 0 C，45 to 60 C)<br> Resolution : 0.1 C\/ F<br> Update rate : 400ms<br> sensors type : High-Precision digital sensor(SHT75)<br> Relative Humidity<br> Range : 0 to 100%RH<br> Accuracy : &amp;plusmn;2.0% RH(10% to 90%)<br> &amp;plusmn;3.0% RH(0% to 10%，90% to 100%)<br> Resolution : 0.1%<br> Update rate : 400ms<br> Sensors type : High-precision digital sensor(SHT75)<br> Wet Bulb<br> Range : -20 to 60 C (-4 to 140 F)<br> Precision : &amp;plusmn;0.5 C (0 to 45 C)<br> &amp;plusmn;1.0 C(-20 to 0 C，45 to 60 C)<br> Resolution : 0.1 C\/ F<br> Update rate : 400ms<br> Dew Point<br> Range : -50 to 60 C (-58 to 140 F)<br> precision : &amp;plusmn;0.5 C (0 to 45 C)<br> &amp;plusmn;1.0 C(-50 to 0 C，45 to 60 C)  <br> Resolution : 0.1 C\/ F<br> Update rate : 400ms<br> Data Hold : &amp;radic;<br> Display Back Light : &amp;radic;<br> MAX\/MIN : &amp;radic; Low battery indication : &amp;radic;<br> Data Logging : Up to 100 groups<br> Power Supply : 4 x 1.5V AAA Batteries(Not included)<br> Package size : 23 x 11 x 6cm \/ 9.1 x 4.3 x 2.3in<br> Package weight : 267g \/ 9.4oz<br>  <br> Package included :   <br> 1 x HYELEC MS6508 Digital Temperature Humidity Meter 1 x Portable Bag<br> 1 x English Manual  Good News: The logo of HYELEC will be upgraded to PEAKMETER on March 1， 2016. Even though the logo will be upgraded， after-sales service won't be affected， including HYELEC and PEAKMETER.  Details pictures :