The Solar Tunnel Dryer is an agrotechnology-based innovation that utilizes solar energy to dry agricultural products such as fruits, vegetables, spices, and grains. The device is designed as a closed tunnel-like structure with a UV-resistant transparent polycarbonate cover, a steel and wooden frame, and a black-painted zinc floor to enhance heat absorption. Inside, it is equipped with trays made of chicken wire to hold the products, along with an air circulation system