... and DC12V, AC220V three intelligent power conversion, liquid crystal display, large air circulation, on the smoke and various odors, ... , effective protection of your health.2: LCD liquid crystal display of temperature, humidity, air quality levels, three kinds of light: ... solar 5V600mA 3.8V1500 mA DC12V AC220V Suitable temperature: -20 °C - +130 °C Applicable temperature: 80% RH Dimension: 190 × 120/160 ...