Durable design: Constructed from high-quality heat-resistant materials that ensure stability and reliability during operation. Features a rotary lock for secure lid placement Dual air function: Utilizes hot air heating for roasting, automatically transitioning to a cooling air mode after the process is complete to rapidly cool coffee beans and prevent burning Service:We attach great importance to our customers' shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours Temperature control: Adjustable temperature range from 150-240°C (302-464°F) and time setting from 0-20 minutes, with three levels of adjustable air speed for optimal roasting results High-efficiency performance: Powerful 2000W capability allows for roasting 100g (0.22lbs) of coffee beans in a short time, producing a rich and flavorful cup quickly to meet daily coffee needs.