The KMR721NGLFS is a microminiature, surface-mount tactile switch from the KMR 7 series, providing momentary, normally open SPST action. It is specified with an operating force of 2.0 N, a travel distance of 0.25 mm, and a standard operating life of 100,000 cycles. This switch is watertight to IP67 standards, features lead-free silver-plated contacts, and has gullwing terminals for SMT mounting. It operates with a maximum voltage of 32 VDC, a maximum current of 50 mA, and across a temperature range of -40°C to 85°C. Due to its compact and durable design, it is well-suited for applications in the automotive, medical, consumer, and industrial sectors.