Applicable venues: This device is suitable for the initial fire with a nearby water source! super high-rise buildings, shopping malls, office buildings, hospitals, hotels, restaurants, libraries, stations, garages, ships, docks, factories, warehouses, oil fields, gas stations, oil depots, and other places. It is also suitable for mini emergency fast react fire stations and emergency response teams set up by enterprises and local governments, targeting various types of fires in high-rise buildings, dense factory warehouses, alleys or suburbs.