The Gasoline model is only for outdoor use. It is powerful enough to pick up virtually any type of litter and debris found outdoors, from dirt, sand and other agricultural material, to liter-size plastic bottles and metallic objects of similar size. The Power Vacuum is proudly manufactured in the USA using 100% Solar renewable Energy. The Elgee Power-Vacs are multi-purpose vacuums that can be used in various environments and for numerous applications. Maneuverable, durable and reliable, the Power Vacuums can be used on jobs up to 100,000 sq. ft., but no job is too small.