The Kinghelm KH-6X6X4.3H-STM with NO 50mA Brick nogging SPST 80000? 12V SMD Tactile Switches ROHS is an electronic part designed for use in a variety of electronic systems. It is a surface mount device, meaning it must be soldered onto a printed circuit board. This part features a single pole single throw (SPST) design, which means that it is capable of controlling a single on/off function as needed. It has a 50mA brick nogging, which is the amount of current required to actuate the switch mechanism. Additionally, it has an impressive 80000 cycles lifespan, which refers to the amount of times it can be actuated before it needs to be replaced. This part is UL certified and RoHS compliant, making it a safe and reliable option for any application.