1. One top cover, one slatted board, three brood boxes, hive entrance box, one hive entrance bottom board, one insertion board 2. Product size: Unit: mm Top cover: t=9, Outer dimensions 290 * 290 Slatted board: t=6, Dimensions 290 * 290 Brood boxes (3): t=25, Dimensions 290 * 290 Hive entrance box: t=9, Dimensions 290 * 350 * 45 3. Product Features The 6mm slatted board under the top cover makes it easy for bees to build nests and helps prevent Varroa mites. The brood boxes are equipped with double-coated wire to prevent the honeycomb from falling. The bottom of the hive entrance box has a wire mesh for summer heat対策, which also allows for the disposal of bee feces and fallen pollen, and helps prevent wax moths. The insertion board can be used effectively to adjust for heat and cold. The internal situation can be checked with a smartphone, etc., by lifting the hive entrance board. Also, the exterior is burned with a burner to prevent corrosion. A 5mm gap is provided between the hive entrance box and the first brood box, allowing bees to enter and exit from all four sides. Even if hornets are at the entrance, bees can enter and exit from the back, so it is safe.