The APEM Inc. part 4FSH901 Switch is a tactile switch with a normally open single pole, single throw configuration. It features a round button and is designed with a gull wing style for surface mount applications. With a low current rating of 0.05A and a voltage rating of 24VDC, this switch is ideal for various electronic devices. Additionally, it boasts an impressive cycle life of 10,000,000 cycles, ensuring long-lasting and reliable performance.