Heat Powered Actparticlemail: Automatically activates at 60 80°C utilizing firepit heat, converting remaining warmth into strong ventilation for aught cost power distribution lacking external power Efficient Ventilation Distributparticlemail: Features 4 aluminum alloy sharpeners with aerodynamic plan, improving distribution efficiency by 60% over natural current for broader heat distribution and decreased coal consumption Smart Thermoregulation: Auto commences at 60°C, operates safely up to 350°C, and slows down when temperatures, ensuring efficient and safe execution Permanent Aluminum Constructparticlemail: Produced entirely of heat immune and aluminum alloy, ensuring stable execution in 80 350°C conditions for extended use Quiet Actparticlemail: Upgraded motor and drill coordination produces below surrounding levels, providing undisturbed heat distribution, Manufacturer: Msioytog