The Nature's Generator Elite Gold System is comprised of 2 ways to generate free electricity. The first is through the included solar panel and the second is through the optional nature's generator wind turbine (not included). The nature's gold elite system includes the nature's generator elite, one 100-watt power panel and 50-foot UL approved cable, one heavy duty cart and a one-year warranty. Generator includes a 3600W built-in pure sine wave inverter and a 100 Ah internal sealed lead acid battery and provides 1200 watt hours of run time The two included 100W polycrystalline solar panels can recharge the Nature's Generator elite and Nature's Generator power pod elite Nature's Generator does not release any harmful gases or fumes, so can be used indoors or outdoors Built-in 600-Volt/350 Amp expansion port for connecting an unlimited amount of Nature's power pods Internal 190 watt charger 30 Amp rear out Nature's Generator elite is a complete solar electric production unit, generating its own electricity and storage for use when you need it Includes power panel Nature's Generator elite does not require gas to run and can be used indoors as it does not emit any toxic fumes like standard gas generators and is whisper quiet while in use The Nature's Generator elite stores electrical energy in its internal battery and uses state-of-the-art electronics to convert 12V power to 120V everyday household electricity Includes the Nature's Generator elite, one 100-watt power panel and 50-foot UL approve cable, one heavy duty cart and a one-year warranty Easy to read LCD display will show you system performance Included ports/outlets on front panel: three 120-Volt AC outlets, two USB ports provide up to 3A of combined power, one 12-Volt DC outlet, one 300-watt solar input, one 300-watt wind input The back panel includes: a built-in 600-Volt / 350-Amp expansion port that allows connection of the nature's generator power pod elite for extended battery storage and run