The dimension of the dryer is 60 x 60 x 150 cm (width x length x height), it contains 18 shelves/racks for the pollen. It operates from the power source 220 V_AC, it includes one heater and four exhausted fans, the output of the heater is 2 kW. This pollen dryer is smart system, based on IoT technique, where the user can monitor and control the dryer remotely through Wi-Fi signal