The operation type of the product button switch is instantaneous. Press and hold the button to turn it on, and release the button to turn it off. Each 12V momentary switch comes with an 11.8 inch cable on one side for easy concealed installation and does not take up space The back of the momentary push button switch is equipped with strong double-sided adhesive, which can be fixed in any position as needed, easy to install by yourself Scope of application: The product can be used in trigger response switches in automobiles, ships, industrial equipment, medical equipment, homes, etc. Color: Black Material: Plastic Size: Line length: 30 cm Package Contents: 24 x Momentary Push Button Switches Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.