The TS-1033-A1B3-D2 with Tactile Switches SPST 6.20mm x 6.20mm 4.30mm RoHS is a SPST (Single Pole Single Throw) tactile switch manufactured by Yuandi. It is a rectangluar shaped switch, 6.20mm in length and 6.20mm in width with a thickness of 4.30mm. It is RoHS compliant, and features “tactile” action, meaning it requires a physical force, such as a finger press or light touch, to activate. It can be used to open or close an electric circuit, to control electric motors, lights, alarm systems, and many other electrical components in a wide variety of consumer and industrial applications.