... air quality, according to the work of pros and cons of automatic intelligent, high-power solar power systems and DC12V, AC220V ... (good air) level, the delay the work of 5 minutes, automatically shut down.3: large solar power system and DC12V, AC220V three ... lead times.8: Technical parameters: Power requirements: polymer lithium battery solar 5V600mA 3.8V1500 mA DC12V AC220V Suitable temperature: -20 ° ...