Solar ovens are becoming more advanced every year, and Sundance Solar is a good example of how far this technology has come. This Hybrid Solar oven is easy to use and portable. The Tulsi-Hybrid operates in three different ways. You can point the Tulsi-Hybrid, towards the sun and adjust the back reflector panel to shine the suns sunlight into the ovens dark cooking chamber. No sun? Indoors> You can plug the power cord into any standard 110V outlet, inverter, or back up generator. Lastly, you can use both the solar and electric features in combination. The Tulsi-Hybrid will cycle itself on and off between electric and solar when there are cloudy conditions.