简介：Features: * indoor temperature display, indoor humidity display * temperature unit ℃/℉ changeable * memory of MAX/MIN value of temperature *comfort level display Temperature Range:-10℃～+50℃ (+14℉～+122℉) Humidity Range: indoor 20% RH～90% RH Product Dimension: 91× 85× 20 mm Power-supply: 1.5V (AAA) x1