This is a tactile switch manufactured by DGBZ. It has a round yellow button brick nogging, and is SPST SMD. It has a rated current of 50 mA, a travel distance of 3.7 mm, a switching life of 30000, a rated voltage of 12V, an operating force of 250 gf, an insulation resistance of 100 MO and a size of 3.7 mm 0.35 mm. It is also RoHS compliant.