AG-20 Sanitize Anywhere, Anytime Looking for a mobile vaporizer and free of power plug? AG-20 is the one you need. The first mobile Antibacterial Vaporizer among the Air Guard series. Without the need of a direct AC power source. Powered by a rechargeable battery, no warming-up time is required, it can produce fog instantly as soon as it is switched on! With a built-in nine timer setting, users are able to set it based on target area size. From camping, food truck, school bus, helicopter, boat, etc. Perfect to use in any occasion without limitation of power supply. To protect our loved ones from invisible but harmful bacterial and germs, pick up your AG-20 vaporizer & Air Guard antibacterial solution to sanitize anywhere, anytime!