<b>About us:</b><br> REPTI ZOO is a company focus on production of reptile supplies,already have more than ten years experience in producing reptile pet products.Our goal is to provide customers with high quality products and excellent service.<br><br> <b>Feature </b><br> Material:Plastic<br> Power supply:1xLR1130/AG10 button cell(included)<br> Temperature range:14¨H to 122¨H<br> Humidity range:20% to 99%<br> Accuracy:+/-2¨H,+/-5%<br> Sampling interval:5 seconds<br> Screen size:0.8 X 1.3 in<br> Weight:Approx.19oz<br><br> <b>Note:</b><br> Make sure surface is clean. Use only on slick, smooth surfaces such as glass,metal,ceramic tile,plastic,formica,etc.<br> Wetting the suction cup first before using make it easier to stick.<br> <br>package included:<br> 1 x REPTI ZOO Reptile Terrarium Thermometer Hygrometer <br>