veanic 4-pack mini digital electronic temperature humidity meters gauge indoor thermometer hygrometer lcd display fahrenheit (°f) for humidors, greenhouse, garden, cellar, fridge, closet veanic <b>specification:</b><p> type: digital thermometer hygrometer<br> material: abs<br> screen: lcd display<br> external dimension: 1.89 x 1.13 x 0.6" (48 x 28.6 x 15.2mm)<br> lcd size: 1.4 x 0.66" (35.7 x 16.8mm)<br> weight: 0.6oz (18g) (2 button cells included<br> humidity measurement range: 10%-99%<br> humidity measurement accuracy: +/-5%<br> humidity sampling period: 10 seconds<br> rated voltage: dc 1.5v (2 lr44 button cells included)<br> temperature measurement range: -58°f-158°f<br> temperature measurement accuracy: ±2°f (under normal temperature)<br> function: display temperature and humidity<br> application: temperature/humidity measurement<p> <b>package includes:</b><p> 4 x digital thermometer hygrometer