【Product Description】 Tent ventilation that creates airflow and cools the room By attaching it to a special tent, it takes in the outside air and discharges the trapped heat and moisture. Quickly lowers indoor temperature and humidity for comfort in hot and humid tents Promotes air circulation and creates air currents inside the tent, enabling a cooler space with the power of the wind It is a reversible specification that allows you to choose the rotation of the wing back and forth, so you can choose according to your preference. Wind blows outward>>When you want to create a natural wind flow and suppress the rise in temperature and humidity during sleep. The wind is inward >>> When you want to create a strong air current in the tent and cool it in a short time. Power supply uses a commercially available mobile battery 【Specification】 Body size (fan): about φ18 x 7.5cm Weight: about 300g Material: ABS resin, polyester, etc. Power supply used: Please use a commercially available mobile battery (output port USB type A/5V = 1A or higher). Continuous operation time (when using battery capacity 10,000mAh): Approx. 6.5 hours (High) / Approx. 9 hours (Low) Accessories: Storage case