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. Each 12V momentary switch comes with a 30cm cable on one side for easy concealed installation and takes up no space. The back of the momentary push button switch is equipped with strong double-sided tape, which allows it to be securely fixed in any desired position, enabling easy DIY installation. Application scope: This product can be used as a trigger or response switch in automobiles, boats, industrial equipment, medical equipment, and home applications. Color: Black Material: Plastic Size: Cable length: 30cm Package Contents: 4 x Momentary push button switches Note: The package includes only the items listed above; other products are not included. Note: Due to lighting and display differences, the color of the item in the image may vary slightly from the actual product. Measurement error is +/- 1-3cm.