1,Good Solution For All Kinds Of USB devices,Enjoy Your Camping or Travel2,Widely Compatibility:for Sailboats, Yachts, Marine applications, Motorhomes, Expedition Vehicles, Commercial Trucks, Caravans, Off-Grid and Remote communication sites and more.3,Easy installation(1) Holes on the panels are pre-drilled for fast mounting and securing, perfect for non-permanent installations.(2) Can be affixed by adhesive, grommets or Nylon Sticker (with which you can easily attach or detach the panels.)(3) Can be installed without costly structural roof reinforcements.Product name: solar panelType: Solar Cell Phone ChargerSolar Panel : 6WWorking Voltage: 5V with Voltage ControllerWorking Temp: -20--80Size:300x145x5mmColour:black+whiteMaterial:Monocrystalline silicon + metalPackage Contents:1 x Solar panel2 x hanging bucklesOnly 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.