It has a wide range of functions. For example, it can be applied as the switches for the additional electronical equipment inside and outside the vehicle. (such as flashing lights, chassis lights, and dome lights)
It is momentary action type,when push the button,it is ON,and when push it again,the button resets, it is OFF.
LED on all the time or only when switch is on (depending on how you wire it)

• Main Color: Silver Tone; Pole and Throw: SPDT; Oeperation Type: Momentary; Total Size: 22 x 38 / 0.87" x 1.5"(Max.D*L)
• Product Name: Push Button Switch; Country of Manufacture: CHINA; Material: Metal; Net Weight: 51g
• Package Content: 3 x LED Push Button Switch; Terminal Quantity: 5; Contact Type: NO+NC; Switch Rating: AC 250V 5A
• Lamp Type: LED; Light Voltage: DC12V; LED Light Color: Green
• Switch Housing Material: Metal; Mounting Type: Flush Mount; Mounting Size: 16mm / 0.63"

Main Color: Silver Tone; Pole and Throw: SPDT; Oeperation Type: Momentary; Total Size: 22 x 38 / 0.87" x 1.5"(Max.D*L)uxcell