The Alpha gun is terrific for anyone looking for a medium to large business solution. The Alpha is easy to run, simply plug it in and let it pre heat 45 seconds to a minute. Once it reaches optimal temperature the light will flash and you are ready to use it. Hold the trigger and run it over any application. The smart cooling system will automatically shut the unit down if it is over run to avoid any mishaps. This fogger is applicable to all surfaces and completely safe on electronics. 1 350ml tank will help you thoroughly disinfect upwards of 60 square feet to 2250 square feet.