The Hera Lighting SRS/XL is an on/off rocker switch for Hera Elite-LED XL and Elite-LED XL HO LED undercabinet fixtures. It connects between two connecting cables to switch the fixture on and off. The SRS/XL is for Hera Slimline T4 and Slimline T5 XL undercabinet fluorescent fixtures.The SRS/XL is also for Feelux NDL T4 and NSL T5 fluorescent undercabinet fixtures and is equal to the Feelux DLHW/XL.