The Dimmable attribute shows how the light level can be adjusted. Buyers can see whether they’ll need a special dimmer or if the feature is built-in, while sellers can avoid confusion on compatibility.

Term	Description
Non-dimmable	Fixed brightness, no dimming option.
Switch Dimmer	Uses a compatible switch-based dimming method where supported by the product.
External Dimmer	Requires a separate compatible dimmer unit.
Integrated Dimmer	Built-in dimming control on the fitting.
1-10V Dimmer	Uses low voltage control for smooth dimming.
DALI Dimmer	Digital Addressable Lighting Interface system.
Triac Dimmer	Compatible with traditional phase-cut dimmers.