Features 1Polysilicon Material: The solar panel uses 30% high conversion polysilicon material which greatly improves the charging efficiency of the solar charger. 2Easy Operation: Place the solar panel in the position facing the sun connect the corresponding interface and electrical equipment and then use it. 32 USB Interfaces: The solar panel has dual USB interfaces (without power storage function) easy to connect and use has a wide range of applications. 4Included Items: Equipped with 20W solar panel igniter clip and suction cups with strong applicability low light efficiency and high stability. 5Wide Applications: Widely used in automobile battery ships airplanes outdoor agriculture planting tourism solar street lamps and other applications. Specification Item Type: Solar Panel KitProduct Size: Approx. 42 x 28 x 1.3cm / 16.5 x 11 x 0.5inSolar Panel Power: 20WInterface: 2 x USB Interfaces (without power storage function)Product Material: PolycrystallineWeight: 523g / 18.4oz(approx.) Package List 1 x Solar Panel1 x Igniter1 x Clip4 x Suction Cups1 x User Manual Note Without power storage function