COLEMAN ONESOURCE: Power your outdoor gear and devices with one interchangeable rechargeable battery system AIRFLOW & LED LIGHTING SYSTEMS: Built-in fan pushes hot air out via top vent 6x per hour; ground vent helps reduce humidity; LED lighting system for diffused overhead lighting; both systems powered by battery docking station with fan and light controls EASY SETUP & WEATHER PROTECTION: Sets up in 10 minutes; welded corners and inverted seams help keep water out; rainfly offers extra weather protection; frame withstands up to 35 mph winds ROOMY INTERIOR: 10 x 10 ft. with 6 ft. center height; fits 2 queen-size air beds; storage pockets keep small gear organized BATTERY RUNTIME: The fully charged 4800 mAh lithium-ion battery powers the tent's fan (up to 4 hours on high), light (up to 12 hours on high), and air-circulating system (6x per hour on high)