... solar 5V600mA 3.8V1500 mA DC12V AC220V Suitable temperature: -20 °C - +130 °C Applicable temperature: 80% RH Dimension: 190 × 120/160 × 45mm ... , effectiveprotection of your health.2: LCD liquid crystal display of temperature, humidity, air quality levels, three kinds of light: green, yellow, red ...