This product is practical. By adjusting the rotating brass nozzle, water spray can be controlled. When giving the plants water, brass nozzle can be more loose, drops of water can become more larger; spray or injection, nozzle is more tighten, spray water turns into the mist. This product is suitable for hotels, health and epidemic prevention, greenhouse, warehousing, pl ng, flowers, bonsai, nursery, vegetables, fruit tree pest control; can be used for all kinds of perfume, cleaning agent, spray washing agent in living rooms and public places, also can be used for cleaning the furniture, glasses, cars and ironing clothing. In a word, it is widely used in various aspects and it is a good tool for the modern family to use.