-- - The small USB fan combines camping LED lantern, hanging fan and emergency power bank functions together. With 10400mah large battery capacity, this portable camping fan provides 12-35 hours of working time on one full charge within 6-8 hours charging time. - The system uses the latest brushless motor technology and ultra-thin fans to provide a large amount of airflow to take away the tent heat. At low speed, the rechargeable canopy tent ceiling fan makes a minimum amount of noise so as to not disrupt your sleep. & - The tent fan with light and hanging hook can be easily controlled through the remote controller or manually. There is also a timer shutdown function to save energy. & - The usb battery powered fan is perfect for camping, fishing, office, bedroom, hurricane emergency survival kit, garage, outage, storm, car travel, BBQ, garden and other indoor outdoor activities. - Using high-strength ABS and fan blade, power-saving and durable; Pass CE Certification. while in the case of fan function, it will automatically stop rotating after a collision, effectively protecting you from being accidentally injured in the small tent space.