The button switch operation type of this product is instantaneous. Press and hold the button to turn it on, and release the button to turn it off._x000D_ Each 12V momentary switch comes with an 11.8-inch cable on one side for easy concealed installation and takes up no space_x000D_ The back of the momentary push button switch is equipped with strong double-sided tape, which can be fixed in any position as needed, easy to DIY installation_x000D_ Application scope: The product can be used in trigger response switches in automobiles, ships, industrial equipment, medical-equipment, homes, etc._x000D_ _x000D_ Colour:Black_x000D_ Material:Plastic_x000D_ Size:Line length:30cm_x000D_ _x000D_ Package Contents:_x000D_ 4 x Momentary push button switches_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_