The GT-TC078A-H0055-L1 is a tactile switch manufactured by G-Switch. It features SMD construction, RoHS compliance, and is 4.5×4.5×0.55 mm in size. This switch is designed to provide tactile feedback and is mainly used for applications such as remote control, audio, video, automotive, medical, consumer electronics, industrial control, instrumentation, and telecommunications. This switch can also be used in automotive and medical applications as it is RoHS compliant and is designed with high accuracy.