This dimmer switch fits the Orion LED undercabinet light fixture and can be mounted inside the Orion fixture. This dimmer allows you to control the output of the light fixtures from 0 to 60 watts. It features solid state components, a sealed proximity switch with no moving parts, and high reliability in a wide range of operating temperatures. 0 - 60 watt operating range. Solid state components. Reverse polarity protected.