OutBack Power VFXR2812A Inverter/Charger - The new FXR Inverter/Charger Series utilized the same classic FX form-factor and reliable performance, with advanced Grid/Hybrid technology upgrades for flexibility and compatibility for nearly any power conversion scenario. Both off-grid and grid-tied functionality in one unit! Product Highlights: Seven programmable modes, including GridZero and Support Mode and built-in networked communications. Single-phase 120V, Sinewave Output