[High Conversion Rate]: The portable DC solar panel kit is made with a powerful array of monocrystalline silicon solar cells. The solar cells receive the most effective sunlight, up to 22% efficiency, generate more energy and produce maximum power to charge compatible devices in the least time. You could always keep your devices powered with this solar panel charger when you are enjoying your outdoor camping. [Wide Compatibility]: The 30w solar panel charging bank has both USB & DC output ports. And with a 10-in-1 DC connector, it could compatible with most solar generators/portable on the market. And it could charge your smartphones, tablets, , digital cameras, GPS, power bank and other USB devices wherever you are. [Foldable and ]: ,Can be easily fit the solar panel kit into a backpack or handbag. Quite convenience to carry it out, a for outdoor activities such as camping, hiking, picnics, caravan, RV. The hiking buckle design is perfect for attaching to your backpack while hiking. [Waterproof & Durable]: Design with advanced lamination technology, protect the rv solar panel kit from harsh weather , including rain, wet fog, snow, intense cold and heat. The material & design is durable enough to extend the lifespan of the solar panel battery charger kit, and perfect for outdoor use. [Easy to Use]: Unfold your solar panels usb, pick up the right connector, then connect your devices with the high efficiency solar panel kit. You could just hang it on the backpack, RV, tent, cabin, roof, tree, beach, or anywhere the sunlight is not sheltered. Colour:Gray & Black Material:Monocrystalline silicon Package Contents: 1 x 30W Foldable Solar Panel 1 x 10-in-1 Connector 1 x Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.