This is a NE-AD rotary dimmer switch, likely for controlling light levels. It features a rotary dial for smooth dimming control. The device appears to be a single-gang switch module. It can be installed with or without a neutral wire depending on the model. The switch is presented in white molded plastic with a high resistance to fading and scratches. The product is compatible with various light types, including incandescent, halogen, and dimmable LEDs.
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