This scent eliminator produces 20 milligrams of ozone per hour, effective for 200-square-foot spaces. It measures 5" x 3.75" x 1.5" and includes a 1/4 by 20mm thread and flip-up hook. The device features a 5,000mAh battery with up to 8 hours of run time and a USB port for charging devices. The price drops from $49.99 to $22.88. Shipping is free for prime members or on orders over $35.