This Back Pack Sanitizer dispenses fine mist (30 microns) in a large volume and can cover a lot of ground in a short time. No cords to hang you up, your sanitizing production time will be amazing. This 4 gallon back pack sanitizer runs on just a 20V lithium Dewalt. The blower unit can be Detached and single mist jet can be attached for small areas (included in package). It includes 6.0 amp hour battery and charger. Running time varies on speed you use, should last at least 30mins on high speed, and could go up to an hour with slower speeds. Additional batteries are available. Due to high demand, you may want to call for estimates on lead time for shipping.