... ,OfficePerformance specification:1, LCD liquid crystal display the temperature, humidity, air quality grade, and three kinds of backlight: green, yellow, red ... parameters:1, Power requirements: solar cells 5V/600mA, Lithium polymer battery 3. 8V/1500?mA/DC12V/AC220V2,?Suitable temperature: - 20°C ... *405*400mm?10, N.W.: 18KG, G.W.: 20KG room air purifier