RECHARGEABLE FAN WITH 24 H Run Time: Driven by 7800 mAh large Lithium-ion battery with 4.5 - 24 hrs (varied by speed setting) standby timer covers your whole day without electricity support. Average charging time of 2 - 3 hours proving to be best portable fan for outdoor use HIGH VELOCITY FAN WITH 360° VERTICAL TILT: The battery powered outdoor fan possesses an adjustable 360°tilt head providing widespread coverage. Unique 10 inch metal fan blade design, Built with brushless DC motor, max 1000 CFM high performance airflow perfect for camping travel and home use VARIABLE SPEED CONTROL & LED BATTERY INDICATOR: Stepless speed control, Radiant Red light LED battery gauge indicator, which can tell battery life, help you ration the battery life however you want and avoid any nasty surprises. IDEAL FOR OUTDOOR USE: Modern style, high-tech look, Large carrying portable design is perfect for home, outdoors, camping, and sporting scenarios. Built-in USB port for re-charging smart phones or other digital devices you may need. WORRY FREE SAFETY: Geek Aire 10 inch Outdoor portable fan is built to IPX4 water resistant, 24V power charger, Equipped with metal frame and anti-slip rubber feet to ensure safety.