The XUNPU TS-1009S-03826 tactile switch is a single-pole, single-throw (SPST) switch with 4.5x4.5x3.8mm dimensions and RoHS certification. It has a 50mA electrical rating at 12VDC and requires a minimum of 4.50mm x 4.50mm to operate. This part can be used in a variety of applications such as home wiring, automotive, and office machines. It is designed to operate reliably even after millions of press cycle. This switch is UL and VDE-certified, making it a suitable choice for safety applications.