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GM Lighting SWD-40W-12VDC-DIM 40W 12VDC LED SwitchLD™ Wall Dimmer / Power Supply, Gloss White | Cooper Electric
RV LED Dimmer Switch DC12V/24V 40W Flush Mount Stepless 15%‑100% Current Control | eBay
MiBoxer PL1 40W Constant Current Dimmable LED Driver
Cree Lighting Connected Max 40-Watt EQ B11 Assorted Candelabra Base (e-12) Dimmable Smart LED Candle Bulb in the Decorative Light Bulbs department at Lowes.com
Constant Voltage Led Driver 24v | Dimmable 12v Led Transformer - Led Driver Dimmable - Aliexpress