this onan slide out generator designed for RV use was removed from a new truck designed for long distance pet hauling and was intended to provide eletricity for heat/cooling in cargo area. business went under with less than 20 hours on generator and truck was sold for new application and i purchased it and removed and stored generator in my warehouse. generator slide out mechanism and remote controls go with unit. Kept this unit to use on a farm outbuilding but also have a gas Multiquip generator/welder so unlikely i'll use the Onan. unit is ready for installation in a slide out based vehicle or other mounting applications. unit produces both 120 volt a/c and 240 volt a/c.call chuck at for answers/directions to p/u. detailed manual available at " Onan 4kw cck genset manual" on google.