7L Ultra Low Volume Electric Sprayer Electric Ulv Fogger Machine for Office School Farm AC 220V 220V1Self Locking Nozzle: The nozzle automatically rebounds and locks the water after the shutdown, effectively avoiding the backflow of the liquid medicine, and the failure rate is greatly reduced. 2Good Decomposition Effect: The ultra low volume sprayer can decompose a drop of water into 10,000 droplets, which is 100 times that of the traditional knapsack sprayer, with a larger protection range and no dead ends. 3Professional Artifact: The atomization diameter reaches micron level, the air suspension time is long, and there is no dead angle. 4 New Design: The new model is designed up and down, the center of gravity is stable, and it will not roll over. Capacity 7L, with capacity scale, easy to observe. 5Better Air Tightness: The fuselage is specially designed, and there are only 2 pilot holes in the whole body. Spray range is about 8 to10 meters.