Large LCD Display Easy to read, displays temperature humidity and time simultaneously. Low power consumption, powered by one AAA battery (included).Range And AccuracyMeasures temperature range -50~+70, accuracy 1/1.8F; measures humidity range 10%~99%RH, accuracy 5%RH.Portable DesignCan be wall mounted or stood on desktop, with alarm clock function, perfect weather monitoring gadget for Home Office.Designed for Indoor UseThis digital thermometer hygrometer records the maximum and minimum temp & humidity memory, / switchable.Household NecessityHelps you keep an eye on the indoor temperature humidity, which is a perfect companion for your humidifier and dehumidifier to ensure a comfortable living space.