Reed Switch ORD9215 has a glass length of 17.0mm and diameter of 2.8mm. Rated power 10 W, Switching voltage 100 VDC, Switching current 0.4 Amp DC.
General purpose, household appliance, measurement equipment, telecommunications
Data sheet link: https://standexelectronics.com/viewer/pdfjs/web/viewer.php?file=https%3A%2F%2Fstandexelectronics.com%2Fwp-content%2Fuploads%2FReed_Switch_ORD9215.pdf