Roughing it does not mean you have to "rough" it when it comes to the powerful odors of last night's campfire or the morning breakfast inside your rooftop tent. The Overlander 750 by o3 Outdoors uses proprietary technology that eliminates simple odors like campfire smoke in under 10 min and strong powerful odors such as gas and diesel fumes in under 30 minutes! Designed by NASA scientists and used on the international space station don't let the size of the Overlander 750 fool you. This unit packs a punch with hard-hitting odor and bacteria elimination. With a 12 + hour battery and a USB port for charging essential electronics the Overlander 750 is ideal for the month-long adventure down the Baja or the weekend with the family in the camper. Wake up every morning having your gear stank-free and bacteria-clear! A set-it-and-forget-it with 30-minute, 60-minute, 2 or 4-hour cycles to choose from so you can treat all levels of stank!