Feature:1. Efficient Charging: Solar panel charger is especially suitable for any place where sunlight can be obtained, realizing efficient charging, convenient and safe to use, environmental protection and energy saving.2. Monocrystalline Silicon Material: The solar panel adopts monocrystalline silicon material, which has high cell efficiency and stable and reliable long‑term output.3. Small Attenuation: Solar charger has small attenuation, good reliability, long life, and can adapt to various complex and harsh weather conditions.4. High Stability: The Solar charger is light in weight, easy to carry, has high stability, good durability, and is simple and convenient to use.5. Scope of Application: Solar panels portable are suitable for outdoor travel, mobile phone, tablet computer, USB electronic interface.Specification:Item Type: 4.2W Solar PanelMaterial: PolysiliconVoltage: 12VCurrent: 0 to 350MAPower: 4.2WSize: Approx. 200 x 130mm / 7.9 x 5.1in Package List:1 x4.2W Solar Panel