wacool mini digital reptile thermometer hygrometer with suction cup, electronic temperature humidity gauge lcd display fahrenheit (°f) for humidors, greenhouse, garden, cellar, fridge, closet wacool wacool 2 in 1 digital thermometer hygrometer is a necessary parts for keeping your reptiles and amphibians. the mini size thermometer and hygrometer gauge with sucker can put in right side or the front of the terrarium. with advanced humidity&temperature sensor, it can provides updated and clear temperature and humidity all day long. it helps you establish an appropriate environmental temperature range (etr) within your pet's enclosure.<br> <br> <b>specification:</b><br> material: plastic<br> power supply: 1xlr1130(l1131c)/ag10 button cell(included)<br> temperature range: 14°f to 122°f<br> humidity range: 20% to 99%<br> accuracy: +/-4°f,+/-5%rh<br> sampling interval: 20 seconds<br> product size: 2.95x0.98x0.59 inch <br> <br> <b>package included:</b><br> 1 x reptile terrarium thermometer hygrometer <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. wetting the suction cup first before using make it easier to stick.<br>