Works with Automobiles, RVs, Boats & Small Electronics Maintenance Free / Easy Installation Includes: - 4 Grommets for Easy Installation - Battery Clamps - 12V Female Socket - CLA Adapter & Barrel Plug Connector - 8ft Wire Works in All Weather Conditions Built-in Blocking Diode Protects Battery Discharge at Night Made of Durable Nylon with a High Efficiency Thin Film Solar Cell Temperature Range: -40&730; to 176&730; F Max Output 12 Watts 800 mAmps Dimensions: Open 29.25 x 16 x 1/32 Closed 5 x 9 x .75