A fire extinguisher

[0025] first reference figure 1 , a fire extinguisher includes a cylinder 10, a handle 12 and a pin 14. The handle 12 includes two arms 16 which act as activation means when the pin 14 is removed.

[0026] like figure 1 As shown, one side of the barrel 10 is fitted with a plurality of indicator devices 18 in the form of LEDs. A row of LEDs 18 extends along the entire circumference of the barrel. The LED 18 can be separately mounted on the barrel 10 or selectively embedded in the outer surface of the barrel 10 or integrally formed with the outer surface of the barrel 10 .

[0027] The luminous color of the LED 18 can be selected to correspond to the material contained in the fire extinguisher cylinder 10 . In this way, people can identify the type of each fire extinguisher, so that the correct fire extinguisher can be selected according to the color of the LED 18 in a specific situation.

[0028] The row of LEDs 18 is preferably located near the bottom of the barrel 10, si...