ethmeas digital thermometer and hygrometer for reptiles terrarium pet keeping, digital indoor outdoor temperature gauge and humidity ethmeas <b>digital thermometer and hygrometer for reptiles terrarium can display out temperature and humidity by external sensor </b><br><br> <b>a11 materials used on the product are environmentally friendly and can be recycled, will not pollute the environment. </b><br><br> <b>specifications:</b><br> 1.indoor temperature measuring range: -10~70°c(14~158 °f)<br> outdoor temperature range:-50 c~70 c(-58 f~ 158 f)<br> 2.humidity measuring range: 10%~99%rh<br> 3.temperature accuracy: ±1 °c<br> humidity accuracy: ±5%<br> 4.measurement period: 10s<br> 5.power supply: 1.5v 1pcs aaa battery<br> 6.body size: 63*63*25mm<br> 7.va size: 45*20mm<br> 8.wire length:1.5m 9.net weight:64 g gw :75g<br> <b>button function</b><br> 【max/min】 press to display temperature and humidity maximum and minimum.<br> 【in/out】 press to display in or out temperature.<br> 【c/f】 switch temperature between celsius and fahrenheit. <br><br> <b>package includes </b><br> 1 x thermometer and hygrometer<br> 1 x aaa battery<br> 1 x manual<br>