The QD series water jet/spraying gun is a replaced product of the water jet gun, it posses not only The same functions of long range shooting water to extinguish fire ａnd shut up the water jet as the water jet switch gun, but also has spraying ａnd umbrella form spout functions, it can extinguish long-range fire ａnd near large area fire at the same time or spray fog as protective shelter by means of change of the function. It is one of the ideal new fire-fighting equipment, the Water can also be used spraying device for garden, nursery ａnd orchard.