A Pot or Coffee Pot is used to convert waste heat to electricity for reading light.
Camping, sailing, or developing countries, the problem is that solar generators work during the daytime. Storing generated electricity in batteries adds complexity and cost.
Cooking fires generate heat and some light, but not enough to read by.
The device utilizes waste heat from cooking to directly generate white light for reading. Heat is converted to electricity that is suitable for White LED lighting.
Up to 100 Watts per pot can be generated cheaply. As this is waste heat, the efficiency isn't as important as primary generators.