Feature: 1. Polysilicon Material: The solar panel uses 30% high conversion polysilicon material, which greatly improves the charging efficiency of the solar charger. 2. Easy Operation: Place the solar panel in the position facing the sun, connect the corresponding interface and electrical equipment, and then use it. 3. 2 USB Interfaces: The solar panel has dual USB interfaces (without power storage function), easy to connect and use, has a wide range of applications. 4. Included Items: Equipped with 20W solar panel, igniter, clip and suction cups, with strong applicability, low light efficiency and high stability. 5. Wide Applications: Widely used in automobile battery, ships, airplanes, outdoor agriculture, planting, tourism, solar street lamps and other applications. Specification: Item Type: Solar Panel Kit Product Size: Approx. 42 x 28 x 1.3cm / 16.5 x 11 x 0.5in Solar Panel Power: 20W Interface: 2 x USB Interfaces (without power storage function) Product Material: Polycrystalline Weight: 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