Solar Panel Power 20W AC Output+Solar/AC Input USB to charge mobile phones,MP3/4 speaker,etc Long lighting ... provide electricity for lamps, laptops, mobile phones, TV, fans etc. USB to charge Mobiles, MP3, MP4, Camera ,speaker,etc.Remote area ... “POWER(ON/OFF)” Turn on /Turn off “5V OUTPUT” USB output interface“SOLAR INPUT” Solar panel input “12V OUTPUT” 2pcs of DC ...